Home / 25,218.80-34,764.61-16,142.83

Finding the Fourth Proportional to 25,218.80, 34,764.61 and 16,142.83

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Solution

The fourth proportional to 25,218.80, 34,764.61 and 16,142.83 is: 22,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.80 : 34,764.61 = 16,142.83 : x
  2. Step 2: Convert to fraction form
    25,218.80/34,764.61 = 16,142.83/x
  3. Step 3: Cross multiply
    25,218.80x = 34,764.61 × 16,142.83
  4. Step 4: Simplify right side
    25,218.80x = 561,199,024.14
  5. Step 5: Solve for x
    x = 561,199,024.14/25,218.80
  6. Step 6: Final answer
    x = 22,253.20

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1.5x scale

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.