Home / 26,463.16-39,666.75-8,689.15

Finding the Fourth Proportional to 26,463.16, 39,666.75 and 8,689.15

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Solution

The fourth proportional to 26,463.16, 39,666.75 and 8,689.15 is: 13,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,463.16 : 39,666.75 = 8,689.15 : x
  2. Step 2: Convert to fraction form
    26,463.16/39,666.75 = 8,689.15/x
  3. Step 3: Cross multiply
    26,463.16x = 39,666.75 × 8,689.15
  4. Step 4: Simplify right side
    26,463.16x = 344,670,340.76
  5. Step 5: Solve for x
    x = 344,670,340.76/26,463.16
  6. Step 6: Final answer
    x = 13,024.53

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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.