Home / 27,869.42-38,459.88-15,294.26

Finding the Fourth Proportional to 27,869.42, 38,459.88 and 15,294.26

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Solution

The fourth proportional to 27,869.42, 38,459.88 and 15,294.26 is: 21,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,869.42 : 38,459.88 = 15,294.26 : x
  2. Step 2: Convert to fraction form
    27,869.42/38,459.88 = 15,294.26/x
  3. Step 3: Cross multiply
    27,869.42x = 38,459.88 × 15,294.26
  4. Step 4: Simplify right side
    27,869.42x = 588,215,404.29
  5. Step 5: Solve for x
    x = 588,215,404.29/27,869.42
  6. Step 6: Final answer
    x = 21,106.12

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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.