Home / 17,156.80-25,748.88-14,720.32

Finding the Fourth Proportional to 17,156.80, 25,748.88 and 14,720.32

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Solution

The fourth proportional to 17,156.80, 25,748.88 and 14,720.32 is: 22,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,156.80 : 25,748.88 = 14,720.32 : x
  2. Step 2: Convert to fraction form
    17,156.80/25,748.88 = 14,720.32/x
  3. Step 3: Cross multiply
    17,156.80x = 25,748.88 × 14,720.32
  4. Step 4: Simplify right side
    17,156.80x = 379,031,753.24
  5. Step 5: Solve for x
    x = 379,031,753.24/17,156.80
  6. Step 6: Final answer
    x = 22,092.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.