Home / 25,299.05-37,932.17-13,620.47

Finding the Fourth Proportional to 25,299.05, 37,932.17 and 13,620.47

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Solution

The fourth proportional to 25,299.05, 37,932.17 and 13,620.47 is: 20,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.05 : 37,932.17 = 13,620.47 : x
  2. Step 2: Convert to fraction form
    25,299.05/37,932.17 = 13,620.47/x
  3. Step 3: Cross multiply
    25,299.05x = 37,932.17 × 13,620.47
  4. Step 4: Simplify right side
    25,299.05x = 516,653,725.76
  5. Step 5: Solve for x
    x = 516,653,725.76/25,299.05
  6. Step 6: Final answer
    x = 20,421.87

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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.