Home / 26,103.12-36,020.88-14,773.92

Finding the Fourth Proportional to 26,103.12, 36,020.88 and 14,773.92

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Solution

The fourth proportional to 26,103.12, 36,020.88 and 14,773.92 is: 20,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,103.12 : 36,020.88 = 14,773.92 : x
  2. Step 2: Convert to fraction form
    26,103.12/36,020.88 = 14,773.92/x
  3. Step 3: Cross multiply
    26,103.12x = 36,020.88 × 14,773.92
  4. Step 4: Simplify right side
    26,103.12x = 532,169,599.45
  5. Step 5: Solve for x
    x = 532,169,599.45/26,103.12
  6. Step 6: Final answer
    x = 20,387.20

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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.