Home / 23,220.31-32,044.65-13,660.82

Finding the Fourth Proportional to 23,220.31, 32,044.65 and 13,660.82

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Solution

The fourth proportional to 23,220.31, 32,044.65 and 13,660.82 is: 18,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.31 : 32,044.65 = 13,660.82 : x
  2. Step 2: Convert to fraction form
    23,220.31/32,044.65 = 13,660.82/x
  3. Step 3: Cross multiply
    23,220.31x = 32,044.65 × 13,660.82
  4. Step 4: Simplify right side
    23,220.31x = 437,756,195.61
  5. Step 5: Solve for x
    x = 437,756,195.61/23,220.31
  6. Step 6: Final answer
    x = 18,852.30

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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.