Home / 20,562.24-30,855.60-8,875.20

Finding the Fourth Proportional to 20,562.24, 30,855.60 and 8,875.20

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Solution

The fourth proportional to 20,562.24, 30,855.60 and 8,875.20 is: 13,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.24 : 30,855.60 = 8,875.20 : x
  2. Step 2: Convert to fraction form
    20,562.24/30,855.60 = 8,875.20/x
  3. Step 3: Cross multiply
    20,562.24x = 30,855.60 × 8,875.20
  4. Step 4: Simplify right side
    20,562.24x = 273,849,621.12
  5. Step 5: Solve for x
    x = 273,849,621.12/20,562.24
  6. Step 6: Final answer
    x = 13,318.08

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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.