Home / 28,552.19-42,781.10-9,822.15

Finding the Fourth Proportional to 28,552.19, 42,781.10 and 9,822.15

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Solution

The fourth proportional to 28,552.19, 42,781.10 and 9,822.15 is: 14,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552.19 : 42,781.10 = 9,822.15 : x
  2. Step 2: Convert to fraction form
    28,552.19/42,781.10 = 9,822.15/x
  3. Step 3: Cross multiply
    28,552.19x = 42,781.10 × 9,822.15
  4. Step 4: Simplify right side
    28,552.19x = 420,202,332.25
  5. Step 5: Solve for x
    x = 420,202,332.25/28,552.19
  6. Step 6: Final answer
    x = 14,716.99

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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.