Home / 20,568.24-30,864.60-8,881.20

Finding the Fourth Proportional to 20,568.24, 30,864.60 and 8,881.20

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Solution

The fourth proportional to 20,568.24, 30,864.60 and 8,881.20 is: 13,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.24 : 30,864.60 = 8,881.20 : x
  2. Step 2: Convert to fraction form
    20,568.24/30,864.60 = 8,881.20/x
  3. Step 3: Cross multiply
    20,568.24x = 30,864.60 × 8,881.20
  4. Step 4: Simplify right side
    20,568.24x = 274,114,685.52
  5. Step 5: Solve for x
    x = 274,114,685.52/20,568.24
  6. Step 6: Final answer
    x = 13,327.09

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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.