Home / 29,558-40,789.68-16,981.76

Finding the Fourth Proportional to 29,558, 40,789.68 and 16,981.76

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Solution

The fourth proportional to 29,558, 40,789.68 and 16,981.76 is: 23,434.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,558 : 40,789.68 = 16,981.76 : x
  2. Step 2: Convert to fraction form
    29,558/40,789.68 = 16,981.76/x
  3. Step 3: Cross multiply
    29,558x = 40,789.68 × 16,981.76
  4. Step 4: Simplify right side
    29,558x = 692,680,556.24
  5. Step 5: Solve for x
    x = 692,680,556.24/29,558
  6. Step 6: Final answer
    x = 23,434.62

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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.