Home / 28,886.80-43,321.34-12,246.52

Finding the Fourth Proportional to 28,886.80, 43,321.34 and 12,246.52

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Solution

The fourth proportional to 28,886.80, 43,321.34 and 12,246.52 is: 18,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.80 : 43,321.34 = 12,246.52 : x
  2. Step 2: Convert to fraction form
    28,886.80/43,321.34 = 12,246.52/x
  3. Step 3: Cross multiply
    28,886.80x = 43,321.34 × 12,246.52
  4. Step 4: Simplify right side
    28,886.80x = 530,535,656.74
  5. Step 5: Solve for x
    x = 530,535,656.74/28,886.80
  6. Step 6: Final answer
    x = 18,366.02

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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.