Home / 27,793.34-38,354.96-15,218.09

Finding the Fourth Proportional to 27,793.34, 38,354.96 and 15,218.09

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Solution

The fourth proportional to 27,793.34, 38,354.96 and 15,218.09 is: 21,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.34 : 38,354.96 = 15,218.09 : x
  2. Step 2: Convert to fraction form
    27,793.34/38,354.96 = 15,218.09/x
  3. Step 3: Cross multiply
    27,793.34x = 38,354.96 × 15,218.09
  4. Step 4: Simplify right side
    27,793.34x = 583,689,233.23
  5. Step 5: Solve for x
    x = 583,689,233.23/27,793.34
  6. Step 6: Final answer
    x = 21,001.05

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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.