Home / 43,617.29-65,340.27-28,780.92

Finding the Fourth Proportional to 43,617.29, 65,340.27 and 28,780.92

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Solution

The fourth proportional to 43,617.29, 65,340.27 and 28,780.92 is: 43,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,617.29 : 65,340.27 = 28,780.92 : x
  2. Step 2: Convert to fraction form
    43,617.29/65,340.27 = 28,780.92/x
  3. Step 3: Cross multiply
    43,617.29x = 65,340.27 × 28,780.92
  4. Step 4: Simplify right side
    43,617.29x = 1,880,553,083.65
  5. Step 5: Solve for x
    x = 1,880,553,083.65/43,617.29
  6. Step 6: Final answer
    x = 43,114.86

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1.5x scale

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.