Home / 27,825.28-38,399.04-15,078.52

Finding the Fourth Proportional to 27,825.28, 38,399.04 and 15,078.52

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Solution

The fourth proportional to 27,825.28, 38,399.04 and 15,078.52 is: 20,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,825.28 : 38,399.04 = 15,078.52 : x
  2. Step 2: Convert to fraction form
    27,825.28/38,399.04 = 15,078.52/x
  3. Step 3: Cross multiply
    27,825.28x = 38,399.04 × 15,078.52
  4. Step 4: Simplify right side
    27,825.28x = 579,000,692.62
  5. Step 5: Solve for x
    x = 579,000,692.62/27,825.28
  6. Step 6: Final answer
    x = 20,808.44

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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.