Home / 23,739.90-32,761.71-13,671.87

Finding the Fourth Proportional to 23,739.90, 32,761.71 and 13,671.87

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Solution

The fourth proportional to 23,739.90, 32,761.71 and 13,671.87 is: 18,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,739.90 : 32,761.71 = 13,671.87 : x
  2. Step 2: Convert to fraction form
    23,739.90/32,761.71 = 13,671.87/x
  3. Step 3: Cross multiply
    23,739.90x = 32,761.71 × 13,671.87
  4. Step 4: Simplify right side
    23,739.90x = 447,913,840.10
  5. Step 5: Solve for x
    x = 447,913,840.10/23,739.90
  6. Step 6: Final answer
    x = 18,867.55

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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.