Home / 15,728.68-23,595.45-5,338

Finding the Fourth Proportional to 15,728.68, 23,595.45 and 5,338

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Solution

The fourth proportional to 15,728.68, 23,595.45 and 5,338 is: 8,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.68 : 23,595.45 = 5,338 : x
  2. Step 2: Convert to fraction form
    15,728.68/23,595.45 = 5,338/x
  3. Step 3: Cross multiply
    15,728.68x = 23,595.45 × 5,338
  4. Step 4: Simplify right side
    15,728.68x = 125,952,512.10
  5. Step 5: Solve for x
    x = 125,952,512.10/15,728.68
  6. Step 6: Final answer
    x = 8,007.82

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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.