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Finding the Fourth Proportional to 55,000.10, 82,500.15 and 28,698.69

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Solution

The fourth proportional to 55,000.10, 82,500.15 and 28,698.69 is: 43,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,000.10 : 82,500.15 = 28,698.69 : x
  2. Step 2: Convert to fraction form
    55,000.10/82,500.15 = 28,698.69/x
  3. Step 3: Cross multiply
    55,000.10x = 82,500.15 × 28,698.69
  4. Step 4: Simplify right side
    55,000.10x = 2,367,646,229.80
  5. Step 5: Solve for x
    x = 2,367,646,229.80/55,000.10
  6. Step 6: Final answer
    x = 43,048.04

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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.