Home / 25,439.44-38,147.04-9,423.76

Finding the Fourth Proportional to 25,439.44, 38,147.04 and 9,423.76

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Solution

The fourth proportional to 25,439.44, 38,147.04 and 9,423.76 is: 14,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.44 : 38,147.04 = 9,423.76 : x
  2. Step 2: Convert to fraction form
    25,439.44/38,147.04 = 9,423.76/x
  3. Step 3: Cross multiply
    25,439.44x = 38,147.04 × 9,423.76
  4. Step 4: Simplify right side
    25,439.44x = 359,488,549.67
  5. Step 5: Solve for x
    x = 359,488,549.67/25,439.44
  6. Step 6: Final answer
    x = 14,131.15

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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.