Home / 27,777.40-38,332.50-15,202

Finding the Fourth Proportional to 27,777.40, 38,332.50 and 15,202

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Solution

The fourth proportional to 27,777.40, 38,332.50 and 15,202 is: 20,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,777.40 : 38,332.50 = 15,202 : x
  2. Step 2: Convert to fraction form
    27,777.40/38,332.50 = 15,202/x
  3. Step 3: Cross multiply
    27,777.40x = 38,332.50 × 15,202
  4. Step 4: Simplify right side
    27,777.40x = 582,730,665
  5. Step 5: Solve for x
    x = 582,730,665/27,777.40
  6. Step 6: Final answer
    x = 20,978.59

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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.