Home / 27,617.02-38,111.43-15,041.74

Finding the Fourth Proportional to 27,617.02, 38,111.43 and 15,041.74

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Solution

The fourth proportional to 27,617.02, 38,111.43 and 15,041.74 is: 20,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,617.02 : 38,111.43 = 15,041.74 : x
  2. Step 2: Convert to fraction form
    27,617.02/38,111.43 = 15,041.74/x
  3. Step 3: Cross multiply
    27,617.02x = 38,111.43 × 15,041.74
  4. Step 4: Simplify right side
    27,617.02x = 573,262,221.09
  5. Step 5: Solve for x
    x = 573,262,221.09/27,617.02
  6. Step 6: Final answer
    x = 20,757.57

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Half scale
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Double scale
Find fourth proportional to 27,618.02, 38,112.81 and 15,042.74
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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.