Home / 25,355.53-34,998.16-16,402.80

Finding the Fourth Proportional to 25,355.53, 34,998.16 and 16,402.80

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Solution

The fourth proportional to 25,355.53, 34,998.16 and 16,402.80 is: 22,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.53 : 34,998.16 = 16,402.80 : x
  2. Step 2: Convert to fraction form
    25,355.53/34,998.16 = 16,402.80/x
  3. Step 3: Cross multiply
    25,355.53x = 34,998.16 × 16,402.80
  4. Step 4: Simplify right side
    25,355.53x = 574,067,818.85
  5. Step 5: Solve for x
    x = 574,067,818.85/25,355.53
  6. Step 6: Final answer
    x = 22,640.74

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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.