Home / 27,949.76-38,538.38-22,280.10

Finding the Fourth Proportional to 27,949.76, 38,538.38 and 22,280.10

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Solution

The fourth proportional to 27,949.76, 38,538.38 and 22,280.10 is: 30,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,949.76 : 38,538.38 = 22,280.10 : x
  2. Step 2: Convert to fraction form
    27,949.76/38,538.38 = 22,280.10/x
  3. Step 3: Cross multiply
    27,949.76x = 38,538.38 × 22,280.10
  4. Step 4: Simplify right side
    27,949.76x = 858,638,871.42
  5. Step 5: Solve for x
    x = 858,638,871.42/27,949.76
  6. Step 6: Final answer
    x = 30,720.80

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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.