Home / 25,712.24-35,472.75-16,146.50

Finding the Fourth Proportional to 25,712.24, 35,472.75 and 16,146.50

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Solution

The fourth proportional to 25,712.24, 35,472.75 and 16,146.50 is: 22,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,712.24 : 35,472.75 = 16,146.50 : x
  2. Step 2: Convert to fraction form
    25,712.24/35,472.75 = 16,146.50/x
  3. Step 3: Cross multiply
    25,712.24x = 35,472.75 × 16,146.50
  4. Step 4: Simplify right side
    25,712.24x = 572,760,757.88
  5. Step 5: Solve for x
    x = 572,760,757.88/25,712.24
  6. Step 6: Final answer
    x = 22,275.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.