Home / 23,220.61-32,057.73-15,285.90

Finding the Fourth Proportional to 23,220.61, 32,057.73 and 15,285.90

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Solution

The fourth proportional to 23,220.61, 32,057.73 and 15,285.90 is: 21,103.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.61 : 32,057.73 = 15,285.90 : x
  2. Step 2: Convert to fraction form
    23,220.61/32,057.73 = 15,285.90/x
  3. Step 3: Cross multiply
    23,220.61x = 32,057.73 × 15,285.90
  4. Step 4: Simplify right side
    23,220.61x = 490,031,340.89
  5. Step 5: Solve for x
    x = 490,031,340.89/23,220.61
  6. Step 6: Final answer
    x = 21,103.29

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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.