Home / 27,793.08-38,355.06-15,217.56

Finding the Fourth Proportional to 27,793.08, 38,355.06 and 15,217.56

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Solution

The fourth proportional to 27,793.08, 38,355.06 and 15,217.56 is: 21,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.08 : 38,355.06 = 15,217.56 : x
  2. Step 2: Convert to fraction form
    27,793.08/38,355.06 = 15,217.56/x
  3. Step 3: Cross multiply
    27,793.08x = 38,355.06 × 15,217.56
  4. Step 4: Simplify right side
    27,793.08x = 583,670,426.85
  5. Step 5: Solve for x
    x = 583,670,426.85/27,793.08
  6. Step 6: Final answer
    x = 21,000.57

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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.