Home / 27,249.60-37,605.56-15,312.90

Finding the Fourth Proportional to 27,249.60, 37,605.56 and 15,312.90

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Solution

The fourth proportional to 27,249.60, 37,605.56 and 15,312.90 is: 21,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,249.60 : 37,605.56 = 15,312.90 : x
  2. Step 2: Convert to fraction form
    27,249.60/37,605.56 = 15,312.90/x
  3. Step 3: Cross multiply
    27,249.60x = 37,605.56 × 15,312.90
  4. Step 4: Simplify right side
    27,249.60x = 575,850,179.72
  5. Step 5: Solve for x
    x = 575,850,179.72/27,249.60
  6. Step 6: Final answer
    x = 21,132.43

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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.