Home / 27,793.67-38,355.48-15,856.92

Finding the Fourth Proportional to 27,793.67, 38,355.48 and 15,856.92

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Solution

The fourth proportional to 27,793.67, 38,355.48 and 15,856.92 is: 21,882.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.67 : 38,355.48 = 15,856.92 : x
  2. Step 2: Convert to fraction form
    27,793.67/38,355.48 = 15,856.92/x
  3. Step 3: Cross multiply
    27,793.67x = 38,355.48 × 15,856.92
  4. Step 4: Simplify right side
    27,793.67x = 608,199,777.92
  5. Step 5: Solve for x
    x = 608,199,777.92/27,793.67
  6. Step 6: Final answer
    x = 21,882.68

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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.