Home / 31,425.06-43,366.59-17,278.86

Finding the Fourth Proportional to 31,425.06, 43,366.59 and 17,278.86

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Solution

The fourth proportional to 31,425.06, 43,366.59 and 17,278.86 is: 23,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,425.06 : 43,366.59 = 17,278.86 : x
  2. Step 2: Convert to fraction form
    31,425.06/43,366.59 = 17,278.86/x
  3. Step 3: Cross multiply
    31,425.06x = 43,366.59 × 17,278.86
  4. Step 4: Simplify right side
    31,425.06x = 749,325,237.29
  5. Step 5: Solve for x
    x = 749,325,237.29/31,425.06
  6. Step 6: Final answer
    x = 23,844.83

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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.