Home / 20,359.28-30,538.49-5,568.20

Finding the Fourth Proportional to 20,359.28, 30,538.49 and 5,568.20

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Solution

The fourth proportional to 20,359.28, 30,538.49 and 5,568.20 is: 8,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.28 : 30,538.49 = 5,568.20 : x
  2. Step 2: Convert to fraction form
    20,359.28/30,538.49 = 5,568.20/x
  3. Step 3: Cross multiply
    20,359.28x = 30,538.49 × 5,568.20
  4. Step 4: Simplify right side
    20,359.28x = 170,044,354.00
  5. Step 5: Solve for x
    x = 170,044,354.00/20,359.28
  6. Step 6: Final answer
    x = 8,352.18

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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.