Home / 25,252.80-34,847.96-13,767.47

Finding the Fourth Proportional to 25,252.80, 34,847.96 and 13,767.47

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Solution

The fourth proportional to 25,252.80, 34,847.96 and 13,767.47 is: 18,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,252.80 : 34,847.96 = 13,767.47 : x
  2. Step 2: Convert to fraction form
    25,252.80/34,847.96 = 13,767.47/x
  3. Step 3: Cross multiply
    25,252.80x = 34,847.96 × 13,767.47
  4. Step 4: Simplify right side
    25,252.80x = 479,768,000.78
  5. Step 5: Solve for x
    x = 479,768,000.78/25,252.80
  6. Step 6: Final answer
    x = 18,998.61

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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.