Home / 28,030.26-38,641.57-22,051.55

Finding the Fourth Proportional to 28,030.26, 38,641.57 and 22,051.55

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Solution

The fourth proportional to 28,030.26, 38,641.57 and 22,051.55 is: 30,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.26 : 38,641.57 = 22,051.55 : x
  2. Step 2: Convert to fraction form
    28,030.26/38,641.57 = 22,051.55/x
  3. Step 3: Cross multiply
    28,030.26x = 38,641.57 × 22,051.55
  4. Step 4: Simplify right side
    28,030.26x = 852,106,264.60
  5. Step 5: Solve for x
    x = 852,106,264.60/28,030.26
  6. Step 6: Final answer
    x = 30,399.51

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Half scale
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Double scale
Find fourth proportional to 28,031.26, 38,642.95 and 22,052.55
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.