Home / 25,501.56-38,252.30-6,781.61

Finding the Fourth Proportional to 25,501.56, 38,252.30 and 6,781.61

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Solution

The fourth proportional to 25,501.56, 38,252.30 and 6,781.61 is: 10,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,501.56 : 38,252.30 = 6,781.61 : x
  2. Step 2: Convert to fraction form
    25,501.56/38,252.30 = 6,781.61/x
  3. Step 3: Cross multiply
    25,501.56x = 38,252.30 × 6,781.61
  4. Step 4: Simplify right side
    25,501.56x = 259,412,101.53
  5. Step 5: Solve for x
    x = 259,412,101.53/25,501.56
  6. Step 6: Final answer
    x = 10,172.40

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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.