Home / 28,991.01-43,475.49-12,358.83

Finding the Fourth Proportional to 28,991.01, 43,475.49 and 12,358.83

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Solution

The fourth proportional to 28,991.01, 43,475.49 and 12,358.83 is: 18,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.01 : 43,475.49 = 12,358.83 : x
  2. Step 2: Convert to fraction form
    28,991.01/43,475.49 = 12,358.83/x
  3. Step 3: Cross multiply
    28,991.01x = 43,475.49 × 12,358.83
  4. Step 4: Simplify right side
    28,991.01x = 537,306,190.08
  5. Step 5: Solve for x
    x = 537,306,190.08/28,991.01
  6. Step 6: Final answer
    x = 18,533.55

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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.