Home / 27,793.84-38,355.42-15,218.50

Finding the Fourth Proportional to 27,793.84, 38,355.42 and 15,218.50

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Solution

The fourth proportional to 27,793.84, 38,355.42 and 15,218.50 is: 21,001.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.84 : 38,355.42 = 15,218.50 : x
  2. Step 2: Convert to fraction form
    27,793.84/38,355.42 = 15,218.50/x
  3. Step 3: Cross multiply
    27,793.84x = 38,355.42 × 15,218.50
  4. Step 4: Simplify right side
    27,793.84x = 583,711,959.27
  5. Step 5: Solve for x
    x = 583,711,959.27/27,793.84
  6. Step 6: Final answer
    x = 21,001.49

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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.