Home / 24,910.68-34,379.16-18,612.12

Finding the Fourth Proportional to 24,910.68, 34,379.16 and 18,612.12

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Solution

The fourth proportional to 24,910.68, 34,379.16 and 18,612.12 is: 25,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,910.68 : 34,379.16 = 18,612.12 : x
  2. Step 2: Convert to fraction form
    24,910.68/34,379.16 = 18,612.12/x
  3. Step 3: Cross multiply
    24,910.68x = 34,379.16 × 18,612.12
  4. Step 4: Simplify right side
    24,910.68x = 639,869,051.42
  5. Step 5: Solve for x
    x = 639,869,051.42/24,910.68
  6. Step 6: Final answer
    x = 25,686.53

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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.