Home / 15,728.80-23,592.48-5,340.48

Finding the Fourth Proportional to 15,728.80, 23,592.48 and 5,340.48

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Solution

The fourth proportional to 15,728.80, 23,592.48 and 5,340.48 is: 8,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.80 : 23,592.48 = 5,340.48 : x
  2. Step 2: Convert to fraction form
    15,728.80/23,592.48 = 5,340.48/x
  3. Step 3: Cross multiply
    15,728.80x = 23,592.48 × 5,340.48
  4. Step 4: Simplify right side
    15,728.80x = 125,995,167.59
  5. Step 5: Solve for x
    x = 125,995,167.59/15,728.80
  6. Step 6: Final answer
    x = 8,010.48

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1.5x scale

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.