Home / 15,529.68-23,301.72-7,739.28

Finding the Fourth Proportional to 15,529.68, 23,301.72 and 7,739.28

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Solution

The fourth proportional to 15,529.68, 23,301.72 and 7,739.28 is: 11,612.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.68 : 23,301.72 = 7,739.28 : x
  2. Step 2: Convert to fraction form
    15,529.68/23,301.72 = 7,739.28/x
  3. Step 3: Cross multiply
    15,529.68x = 23,301.72 × 7,739.28
  4. Step 4: Simplify right side
    15,529.68x = 180,338,535.56
  5. Step 5: Solve for x
    x = 180,338,535.56/15,529.68
  6. Step 6: Final answer
    x = 11,612.51

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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.