Home / 28,708.80-43,013.99-22,803.90

Finding the Fourth Proportional to 28,708.80, 43,013.99 and 22,803.90

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Solution

The fourth proportional to 28,708.80, 43,013.99 and 22,803.90 is: 34,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.80 : 43,013.99 = 22,803.90 : x
  2. Step 2: Convert to fraction form
    28,708.80/43,013.99 = 22,803.90/x
  3. Step 3: Cross multiply
    28,708.80x = 43,013.99 × 22,803.90
  4. Step 4: Simplify right side
    28,708.80x = 980,886,494.00
  5. Step 5: Solve for x
    x = 980,886,494.00/28,708.80
  6. Step 6: Final answer
    x = 34,166.76

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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.