Home / 15,829.82-23,728.26-5,291.91

Finding the Fourth Proportional to 15,829.82, 23,728.26 and 5,291.91

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Solution

The fourth proportional to 15,829.82, 23,728.26 and 5,291.91 is: 7,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.82 : 23,728.26 = 5,291.91 : x
  2. Step 2: Convert to fraction form
    15,829.82/23,728.26 = 5,291.91/x
  3. Step 3: Cross multiply
    15,829.82x = 23,728.26 × 5,291.91
  4. Step 4: Simplify right side
    15,829.82x = 125,567,816.38
  5. Step 5: Solve for x
    x = 125,567,816.38/15,829.82
  6. Step 6: Final answer
    x = 7,932.36

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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.