Home / 15,928.28-23,889.32-15,138.02

Finding the Fourth Proportional to 15,928.28, 23,889.32 and 15,138.02

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Solution

The fourth proportional to 15,928.28, 23,889.32 and 15,138.02 is: 22,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.28 : 23,889.32 = 15,138.02 : x
  2. Step 2: Convert to fraction form
    15,928.28/23,889.32 = 15,138.02/x
  3. Step 3: Cross multiply
    15,928.28x = 23,889.32 × 15,138.02
  4. Step 4: Simplify right side
    15,928.28x = 361,637,003.95
  5. Step 5: Solve for x
    x = 361,637,003.95/15,928.28
  6. Step 6: Final answer
    x = 22,704.08

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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.