Home / 25,576.28-38,387.28-13,104.80

Finding the Fourth Proportional to 25,576.28, 38,387.28 and 13,104.80

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Solution

The fourth proportional to 25,576.28, 38,387.28 and 13,104.80 is: 19,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,576.28 : 38,387.28 = 13,104.80 : x
  2. Step 2: Convert to fraction form
    25,576.28/38,387.28 = 13,104.80/x
  3. Step 3: Cross multiply
    25,576.28x = 38,387.28 × 13,104.80
  4. Step 4: Simplify right side
    25,576.28x = 503,057,626.94
  5. Step 5: Solve for x
    x = 503,057,626.94/25,576.28
  6. Step 6: Final answer
    x = 19,668.91

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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.