Home / 17,332.78-26,002.40-5,489.55

Finding the Fourth Proportional to 17,332.78, 26,002.40 and 5,489.55

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Solution

The fourth proportional to 17,332.78, 26,002.40 and 5,489.55 is: 8,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,332.78 : 26,002.40 = 5,489.55 : x
  2. Step 2: Convert to fraction form
    17,332.78/26,002.40 = 5,489.55/x
  3. Step 3: Cross multiply
    17,332.78x = 26,002.40 × 5,489.55
  4. Step 4: Simplify right side
    17,332.78x = 142,741,474.92
  5. Step 5: Solve for x
    x = 142,741,474.92/17,332.78
  6. Step 6: Final answer
    x = 8,235.35

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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.