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Finding the Fourth Proportional to 38,595.99, 57,863.74 and 15,239.91

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Solution

The fourth proportional to 38,595.99, 57,863.74 and 15,239.91 is: 22,847.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,595.99 : 57,863.74 = 15,239.91 : x
  2. Step 2: Convert to fraction form
    38,595.99/57,863.74 = 15,239.91/x
  3. Step 3: Cross multiply
    38,595.99x = 57,863.74 × 15,239.91
  4. Step 4: Simplify right side
    38,595.99x = 881,838,007.10
  5. Step 5: Solve for x
    x = 881,838,007.10/38,595.99
  6. Step 6: Final answer
    x = 22,847.92

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1.5x scale

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.