Home / 28,553.97-42,833.82-9,831.53

Finding the Fourth Proportional to 28,553.97, 42,833.82 and 9,831.53

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Solution

The fourth proportional to 28,553.97, 42,833.82 and 9,831.53 is: 14,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553.97 : 42,833.82 = 9,831.53 : x
  2. Step 2: Convert to fraction form
    28,553.97/42,833.82 = 9,831.53/x
  3. Step 3: Cross multiply
    28,553.97x = 42,833.82 × 9,831.53
  4. Step 4: Simplify right side
    28,553.97x = 421,121,772.18
  5. Step 5: Solve for x
    x = 421,121,772.18/28,553.97
  6. Step 6: Final answer
    x = 14,748.28

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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.