Home / 26,508-36,581.04-15,330.72

Finding the Fourth Proportional to 26,508, 36,581.04 and 15,330.72

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Solution

The fourth proportional to 26,508, 36,581.04 and 15,330.72 is: 21,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,508 : 36,581.04 = 15,330.72 : x
  2. Step 2: Convert to fraction form
    26,508/36,581.04 = 15,330.72/x
  3. Step 3: Cross multiply
    26,508x = 36,581.04 × 15,330.72
  4. Step 4: Simplify right side
    26,508x = 560,813,681.55
  5. Step 5: Solve for x
    x = 560,813,681.55/26,508
  6. Step 6: Final answer
    x = 21,156.39

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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.