Home / 16,962.20-23,391.17-15,621.29

Finding the Fourth Proportional to 16,962.20, 23,391.17 and 15,621.29

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Solution

The fourth proportional to 16,962.20, 23,391.17 and 15,621.29 is: 21,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,962.20 : 23,391.17 = 15,621.29 : x
  2. Step 2: Convert to fraction form
    16,962.20/23,391.17 = 15,621.29/x
  3. Step 3: Cross multiply
    16,962.20x = 23,391.17 × 15,621.29
  4. Step 4: Simplify right side
    16,962.20x = 365,400,054.95
  5. Step 5: Solve for x
    x = 365,400,054.95/16,962.20
  6. Step 6: Final answer
    x = 21,542.03

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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.