Home / 15,728.13-23,595.84-5,339.88

Finding the Fourth Proportional to 15,728.13, 23,595.84 and 5,339.88

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Solution

The fourth proportional to 15,728.13, 23,595.84 and 5,339.88 is: 8,011.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.13 : 23,595.84 = 5,339.88 : x
  2. Step 2: Convert to fraction form
    15,728.13/23,595.84 = 5,339.88/x
  3. Step 3: Cross multiply
    15,728.13x = 23,595.84 × 5,339.88
  4. Step 4: Simplify right side
    15,728.13x = 125,998,954.10
  5. Step 5: Solve for x
    x = 125,998,954.10/15,728.13
  6. Step 6: Final answer
    x = 8,011.06

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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.