Home / 27,599.65-38,003.17-20,803.55

Finding the Fourth Proportional to 27,599.65, 38,003.17 and 20,803.55

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Solution

The fourth proportional to 27,599.65, 38,003.17 and 20,803.55 is: 28,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,599.65 : 38,003.17 = 20,803.55 : x
  2. Step 2: Convert to fraction form
    27,599.65/38,003.17 = 20,803.55/x
  3. Step 3: Cross multiply
    27,599.65x = 38,003.17 × 20,803.55
  4. Step 4: Simplify right side
    27,599.65x = 790,600,605.23
  5. Step 5: Solve for x
    x = 790,600,605.23/27,599.65
  6. Step 6: Final answer
    x = 28,645.32

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Half scale
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Double scale
Find fourth proportional to 27,600.65, 38,004.54 and 20,804.55
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.