Home / 25,387.26-38,103.96-13,551.06

Finding the Fourth Proportional to 25,387.26, 38,103.96 and 13,551.06

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Solution

The fourth proportional to 25,387.26, 38,103.96 and 13,551.06 is: 20,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,387.26 : 38,103.96 = 13,551.06 : x
  2. Step 2: Convert to fraction form
    25,387.26/38,103.96 = 13,551.06/x
  3. Step 3: Cross multiply
    25,387.26x = 38,103.96 × 13,551.06
  4. Step 4: Simplify right side
    25,387.26x = 516,349,048.20
  5. Step 5: Solve for x
    x = 516,349,048.20/25,387.26
  6. Step 6: Final answer
    x = 20,338.90

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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.