Home / 27,621.80-41,432.70-10,104.20

Finding the Fourth Proportional to 27,621.80, 41,432.70 and 10,104.20

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Solution

The fourth proportional to 27,621.80, 41,432.70 and 10,104.20 is: 15,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.80 : 41,432.70 = 10,104.20 : x
  2. Step 2: Convert to fraction form
    27,621.80/41,432.70 = 10,104.20/x
  3. Step 3: Cross multiply
    27,621.80x = 41,432.70 × 10,104.20
  4. Step 4: Simplify right side
    27,621.80x = 418,644,287.34
  5. Step 5: Solve for x
    x = 418,644,287.34/27,621.80
  6. Step 6: Final answer
    x = 15,156.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.