Home / 28,177.73-38,925.77-22,505.03

Finding the Fourth Proportional to 28,177.73, 38,925.77 and 22,505.03

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Solution

The fourth proportional to 28,177.73, 38,925.77 and 22,505.03 is: 31,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.73 : 38,925.77 = 22,505.03 : x
  2. Step 2: Convert to fraction form
    28,177.73/38,925.77 = 22,505.03/x
  3. Step 3: Cross multiply
    28,177.73x = 38,925.77 × 22,505.03
  4. Step 4: Simplify right side
    28,177.73x = 876,025,314.47
  5. Step 5: Solve for x
    x = 876,025,314.47/28,177.73
  6. Step 6: Final answer
    x = 31,089.28

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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.