Home / 40,837.96-61,228.14-15,857.20

Finding the Fourth Proportional to 40,837.96, 61,228.14 and 15,857.20

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Solution

The fourth proportional to 40,837.96, 61,228.14 and 15,857.20 is: 23,774.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,837.96 : 61,228.14 = 15,857.20 : x
  2. Step 2: Convert to fraction form
    40,837.96/61,228.14 = 15,857.20/x
  3. Step 3: Cross multiply
    40,837.96x = 61,228.14 × 15,857.20
  4. Step 4: Simplify right side
    40,837.96x = 970,906,861.61
  5. Step 5: Solve for x
    x = 970,906,861.61/40,837.96
  6. Step 6: Final answer
    x = 23,774.62

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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.