Home / 28,220.59-42,332.98-9,500.55

Finding the Fourth Proportional to 28,220.59, 42,332.98 and 9,500.55

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Solution

The fourth proportional to 28,220.59, 42,332.98 and 9,500.55 is: 14,251.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,220.59 : 42,332.98 = 9,500.55 : x
  2. Step 2: Convert to fraction form
    28,220.59/42,332.98 = 9,500.55/x
  3. Step 3: Cross multiply
    28,220.59x = 42,332.98 × 9,500.55
  4. Step 4: Simplify right side
    28,220.59x = 402,186,593.14
  5. Step 5: Solve for x
    x = 402,186,593.14/28,220.59
  6. Step 6: Final answer
    x = 14,251.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.