Home / 23,419.20-32,335.40-14,478.96

Finding the Fourth Proportional to 23,419.20, 32,335.40 and 14,478.96

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Solution

The fourth proportional to 23,419.20, 32,335.40 and 14,478.96 is: 19,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,419.20 : 32,335.40 = 14,478.96 : x
  2. Step 2: Convert to fraction form
    23,419.20/32,335.40 = 14,478.96/x
  3. Step 3: Cross multiply
    23,419.20x = 32,335.40 × 14,478.96
  4. Step 4: Simplify right side
    23,419.20x = 468,182,963.18
  5. Step 5: Solve for x
    x = 468,182,963.18/23,419.20
  6. Step 6: Final answer
    x = 19,991.42

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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.