Home / 28,951.77-39,935.25-22,227.15

Finding the Fourth Proportional to 28,951.77, 39,935.25 and 22,227.15

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Solution

The fourth proportional to 28,951.77, 39,935.25 and 22,227.15 is: 30,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.77 : 39,935.25 = 22,227.15 : x
  2. Step 2: Convert to fraction form
    28,951.77/39,935.25 = 22,227.15/x
  3. Step 3: Cross multiply
    28,951.77x = 39,935.25 × 22,227.15
  4. Step 4: Simplify right side
    28,951.77x = 887,646,792.04
  5. Step 5: Solve for x
    x = 887,646,792.04/28,951.77
  6. Step 6: Final answer
    x = 30,659.50

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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.