Home / 27,868.92-38,459.58-15,294.84

Finding the Fourth Proportional to 27,868.92, 38,459.58 and 15,294.84

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Solution

The fourth proportional to 27,868.92, 38,459.58 and 15,294.84 is: 21,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,868.92 : 38,459.58 = 15,294.84 : x
  2. Step 2: Convert to fraction form
    27,868.92/38,459.58 = 15,294.84/x
  3. Step 3: Cross multiply
    27,868.92x = 38,459.58 × 15,294.84
  4. Step 4: Simplify right side
    27,868.92x = 588,233,122.57
  5. Step 5: Solve for x
    x = 588,233,122.57/27,868.92
  6. Step 6: Final answer
    x = 21,107.14

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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.