Home / 25,564.47-38,327.57-17,221.07

Finding the Fourth Proportional to 25,564.47, 38,327.57 and 17,221.07

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Solution

The fourth proportional to 25,564.47, 38,327.57 and 17,221.07 is: 25,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,564.47 : 38,327.57 = 17,221.07 : x
  2. Step 2: Convert to fraction form
    25,564.47/38,327.57 = 17,221.07/x
  3. Step 3: Cross multiply
    25,564.47x = 38,327.57 × 17,221.07
  4. Step 4: Simplify right side
    25,564.47x = 660,041,765.90
  5. Step 5: Solve for x
    x = 660,041,765.90/25,564.47
  6. Step 6: Final answer
    x = 25,818.72

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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.