Home / 28,719.80-43,062.06-11,169.18

Finding the Fourth Proportional to 28,719.80, 43,062.06 and 11,169.18

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Solution

The fourth proportional to 28,719.80, 43,062.06 and 11,169.18 is: 16,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,719.80 : 43,062.06 = 11,169.18 : x
  2. Step 2: Convert to fraction form
    28,719.80/43,062.06 = 11,169.18/x
  3. Step 3: Cross multiply
    28,719.80x = 43,062.06 × 11,169.18
  4. Step 4: Simplify right side
    28,719.80x = 480,967,899.31
  5. Step 5: Solve for x
    x = 480,967,899.31/28,719.80
  6. Step 6: Final answer
    x = 16,746.91

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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.