Home / 28,301.04-42,459.24-8,580.24

Finding the Fourth Proportional to 28,301.04, 42,459.24 and 8,580.24

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Solution

The fourth proportional to 28,301.04, 42,459.24 and 8,580.24 is: 12,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,301.04 : 42,459.24 = 8,580.24 : x
  2. Step 2: Convert to fraction form
    28,301.04/42,459.24 = 8,580.24/x
  3. Step 3: Cross multiply
    28,301.04x = 42,459.24 × 8,580.24
  4. Step 4: Simplify right side
    28,301.04x = 364,310,469.42
  5. Step 5: Solve for x
    x = 364,310,469.42/28,301.04
  6. Step 6: Final answer
    x = 12,872.69

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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.