Home / 28,882.10-43,323.15-12,239.30

Finding the Fourth Proportional to 28,882.10, 43,323.15 and 12,239.30

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Solution

The fourth proportional to 28,882.10, 43,323.15 and 12,239.30 is: 18,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.10 : 43,323.15 = 12,239.30 : x
  2. Step 2: Convert to fraction form
    28,882.10/43,323.15 = 12,239.30/x
  3. Step 3: Cross multiply
    28,882.10x = 43,323.15 × 12,239.30
  4. Step 4: Simplify right side
    28,882.10x = 530,245,029.80
  5. Step 5: Solve for x
    x = 530,245,029.80/28,882.10
  6. Step 6: Final answer
    x = 18,358.95

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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.