Home / 27,982.23-38,615.57-15,235.52

Finding the Fourth Proportional to 27,982.23, 38,615.57 and 15,235.52

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Solution

The fourth proportional to 27,982.23, 38,615.57 and 15,235.52 is: 21,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.23 : 38,615.57 = 15,235.52 : x
  2. Step 2: Convert to fraction form
    27,982.23/38,615.57 = 15,235.52/x
  3. Step 3: Cross multiply
    27,982.23x = 38,615.57 × 15,235.52
  4. Step 4: Simplify right side
    27,982.23x = 588,328,289.05
  5. Step 5: Solve for x
    x = 588,328,289.05/27,982.23
  6. Step 6: Final answer
    x = 21,025.07

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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.