Home / 24,715.75-34,107.78-13,385.22

Finding the Fourth Proportional to 24,715.75, 34,107.78 and 13,385.22

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Solution

The fourth proportional to 24,715.75, 34,107.78 and 13,385.22 is: 18,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,715.75 : 34,107.78 = 13,385.22 : x
  2. Step 2: Convert to fraction form
    24,715.75/34,107.78 = 13,385.22/x
  3. Step 3: Cross multiply
    24,715.75x = 34,107.78 × 13,385.22
  4. Step 4: Simplify right side
    24,715.75x = 456,540,061.30
  5. Step 5: Solve for x
    x = 456,540,061.30/24,715.75
  6. Step 6: Final answer
    x = 18,471.62

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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.