Home / 26,281.88-36,257.40-17,780.96

Finding the Fourth Proportional to 26,281.88, 36,257.40 and 17,780.96

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Solution

The fourth proportional to 26,281.88, 36,257.40 and 17,780.96 is: 24,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,281.88 : 36,257.40 = 17,780.96 : x
  2. Step 2: Convert to fraction form
    26,281.88/36,257.40 = 17,780.96/x
  3. Step 3: Cross multiply
    26,281.88x = 36,257.40 × 17,780.96
  4. Step 4: Simplify right side
    26,281.88x = 644,691,379.10
  5. Step 5: Solve for x
    x = 644,691,379.10/26,281.88
  6. Step 6: Final answer
    x = 24,529.88

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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.