Home / 27,982.63-38,614.78-15,235.49

Finding the Fourth Proportional to 27,982.63, 38,614.78 and 15,235.49

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Solution

The fourth proportional to 27,982.63, 38,614.78 and 15,235.49 is: 21,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.63 : 38,614.78 = 15,235.49 : x
  2. Step 2: Convert to fraction form
    27,982.63/38,614.78 = 15,235.49/x
  3. Step 3: Cross multiply
    27,982.63x = 38,614.78 × 15,235.49
  4. Step 4: Simplify right side
    27,982.63x = 588,315,124.42
  5. Step 5: Solve for x
    x = 588,315,124.42/27,982.63
  6. Step 6: Final answer
    x = 21,024.30

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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.