Home / 27,793.29-38,355.35-15,218.85

Finding the Fourth Proportional to 27,793.29, 38,355.35 and 15,218.85

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Solution

The fourth proportional to 27,793.29, 38,355.35 and 15,218.85 is: 21,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.29 : 38,355.35 = 15,218.85 : x
  2. Step 2: Convert to fraction form
    27,793.29/38,355.35 = 15,218.85/x
  3. Step 3: Cross multiply
    27,793.29x = 38,355.35 × 15,218.85
  4. Step 4: Simplify right side
    27,793.29x = 583,724,242.25
  5. Step 5: Solve for x
    x = 583,724,242.25/27,793.29
  6. Step 6: Final answer
    x = 21,002.34

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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.