Home / 31,415.76-43,352.10-17,265.87

Finding the Fourth Proportional to 31,415.76, 43,352.10 and 17,265.87

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Solution

The fourth proportional to 31,415.76, 43,352.10 and 17,265.87 is: 23,825.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.76 : 43,352.10 = 17,265.87 : x
  2. Step 2: Convert to fraction form
    31,415.76/43,352.10 = 17,265.87/x
  3. Step 3: Cross multiply
    31,415.76x = 43,352.10 × 17,265.87
  4. Step 4: Simplify right side
    31,415.76x = 748,511,722.83
  5. Step 5: Solve for x
    x = 748,511,722.83/31,415.76
  6. Step 6: Final answer
    x = 23,825.99

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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.