Home / 29,155.35-43,728.33-10,431.90

Finding the Fourth Proportional to 29,155.35, 43,728.33 and 10,431.90

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Solution

The fourth proportional to 29,155.35, 43,728.33 and 10,431.90 is: 15,646.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155.35 : 43,728.33 = 10,431.90 : x
  2. Step 2: Convert to fraction form
    29,155.35/43,728.33 = 10,431.90/x
  3. Step 3: Cross multiply
    29,155.35x = 43,728.33 × 10,431.90
  4. Step 4: Simplify right side
    29,155.35x = 456,169,565.73
  5. Step 5: Solve for x
    x = 456,169,565.73/29,155.35
  6. Step 6: Final answer
    x = 15,646.17

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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.