Home / 25,726.68-38,590.02-8,198.10

Finding the Fourth Proportional to 25,726.68, 38,590.02 and 8,198.10

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Solution

The fourth proportional to 25,726.68, 38,590.02 and 8,198.10 is: 12,297.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,726.68 : 38,590.02 = 8,198.10 : x
  2. Step 2: Convert to fraction form
    25,726.68/38,590.02 = 8,198.10/x
  3. Step 3: Cross multiply
    25,726.68x = 38,590.02 × 8,198.10
  4. Step 4: Simplify right side
    25,726.68x = 316,364,842.96
  5. Step 5: Solve for x
    x = 316,364,842.96/25,726.68
  6. Step 6: Final answer
    x = 12,297.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.