Home / 25,616.59-38,406.39-17,275.75

Finding the Fourth Proportional to 25,616.59, 38,406.39 and 17,275.75

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Solution

The fourth proportional to 25,616.59, 38,406.39 and 17,275.75 is: 25,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616.59 : 38,406.39 = 17,275.75 : x
  2. Step 2: Convert to fraction form
    25,616.59/38,406.39 = 17,275.75/x
  3. Step 3: Cross multiply
    25,616.59x = 38,406.39 × 17,275.75
  4. Step 4: Simplify right side
    25,616.59x = 663,499,031.24
  5. Step 5: Solve for x
    x = 663,499,031.24/25,616.59
  6. Step 6: Final answer
    x = 25,901.15

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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.