Home / 27,924.46-38,536.15-15,177.64

Finding the Fourth Proportional to 27,924.46, 38,536.15 and 15,177.64

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Solution

The fourth proportional to 27,924.46, 38,536.15 and 15,177.64 is: 20,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,924.46 : 38,536.15 = 15,177.64 : x
  2. Step 2: Convert to fraction form
    27,924.46/38,536.15 = 15,177.64/x
  3. Step 3: Cross multiply
    27,924.46x = 38,536.15 × 15,177.64
  4. Step 4: Simplify right side
    27,924.46x = 584,887,735.80
  5. Step 5: Solve for x
    x = 584,887,735.80/27,924.46
  6. Step 6: Final answer
    x = 20,945.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.