Home / 27,631.67-41,419.65-15,781.55

Finding the Fourth Proportional to 27,631.67, 41,419.65 and 15,781.55

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Solution

The fourth proportional to 27,631.67, 41,419.65 and 15,781.55 is: 23,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.67 : 41,419.65 = 15,781.55 : x
  2. Step 2: Convert to fraction form
    27,631.67/41,419.65 = 15,781.55/x
  3. Step 3: Cross multiply
    27,631.67x = 41,419.65 × 15,781.55
  4. Step 4: Simplify right side
    27,631.67x = 653,666,070.36
  5. Step 5: Solve for x
    x = 653,666,070.36/27,631.67
  6. Step 6: Final answer
    x = 23,656.41

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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.