Home / 31,425.96-43,366.71-17,278.69

Finding the Fourth Proportional to 31,425.96, 43,366.71 and 17,278.69

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Solution

The fourth proportional to 31,425.96, 43,366.71 and 17,278.69 is: 23,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,425.96 : 43,366.71 = 17,278.69 : x
  2. Step 2: Convert to fraction form
    31,425.96/43,366.71 = 17,278.69/x
  3. Step 3: Cross multiply
    31,425.96x = 43,366.71 × 17,278.69
  4. Step 4: Simplify right side
    31,425.96x = 749,319,938.41
  5. Step 5: Solve for x
    x = 749,319,938.41/31,425.96
  6. Step 6: Final answer
    x = 23,843.98

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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.