Home / 26,471.24-39,711.72-8,702.90

Finding the Fourth Proportional to 26,471.24, 39,711.72 and 8,702.90

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Solution

The fourth proportional to 26,471.24, 39,711.72 and 8,702.90 is: 13,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471.24 : 39,711.72 = 8,702.90 : x
  2. Step 2: Convert to fraction form
    26,471.24/39,711.72 = 8,702.90/x
  3. Step 3: Cross multiply
    26,471.24x = 39,711.72 × 8,702.90
  4. Step 4: Simplify right side
    26,471.24x = 345,607,127.99
  5. Step 5: Solve for x
    x = 345,607,127.99/26,471.24
  6. Step 6: Final answer
    x = 13,055.95

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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.