Home / 28,760.16-43,081.92-14,880

Finding the Fourth Proportional to 28,760.16, 43,081.92 and 14,880

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Solution

The fourth proportional to 28,760.16, 43,081.92 and 14,880 is: 22,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.16 : 43,081.92 = 14,880 : x
  2. Step 2: Convert to fraction form
    28,760.16/43,081.92 = 14,880/x
  3. Step 3: Cross multiply
    28,760.16x = 43,081.92 × 14,880
  4. Step 4: Simplify right side
    28,760.16x = 641,058,969.60
  5. Step 5: Solve for x
    x = 641,058,969.60/28,760.16
  6. Step 6: Final answer
    x = 22,289.83

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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.