Home / 17,127.60-25,691.08-5,440.64

Finding the Fourth Proportional to 17,127.60, 25,691.08 and 5,440.64

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Solution

The fourth proportional to 17,127.60, 25,691.08 and 5,440.64 is: 8,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127.60 : 25,691.08 = 5,440.64 : x
  2. Step 2: Convert to fraction form
    17,127.60/25,691.08 = 5,440.64/x
  3. Step 3: Cross multiply
    17,127.60x = 25,691.08 × 5,440.64
  4. Step 4: Simplify right side
    17,127.60x = 139,775,917.49
  5. Step 5: Solve for x
    x = 139,775,917.49/17,127.60
  6. Step 6: Final answer
    x = 8,160.86

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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.