Home / 25,781.56-38,667.68-11,738.24

Finding the Fourth Proportional to 25,781.56, 38,667.68 and 11,738.24

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Solution

The fourth proportional to 25,781.56, 38,667.68 and 11,738.24 is: 17,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,781.56 : 38,667.68 = 11,738.24 : x
  2. Step 2: Convert to fraction form
    25,781.56/38,667.68 = 11,738.24/x
  3. Step 3: Cross multiply
    25,781.56x = 38,667.68 × 11,738.24
  4. Step 4: Simplify right side
    25,781.56x = 453,890,508.08
  5. Step 5: Solve for x
    x = 453,890,508.08/25,781.56
  6. Step 6: Final answer
    x = 17,605.24

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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.