Home / 27,864.60-38,452.99-15,118.03

Finding the Fourth Proportional to 27,864.60, 38,452.99 and 15,118.03

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Solution

The fourth proportional to 27,864.60, 38,452.99 and 15,118.03 is: 20,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,864.60 : 38,452.99 = 15,118.03 : x
  2. Step 2: Convert to fraction form
    27,864.60/38,452.99 = 15,118.03/x
  3. Step 3: Cross multiply
    27,864.60x = 38,452.99 × 15,118.03
  4. Step 4: Simplify right side
    27,864.60x = 581,333,456.41
  5. Step 5: Solve for x
    x = 581,333,456.41/27,864.60
  6. Step 6: Final answer
    x = 20,862.80

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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.