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Finding the Fourth Proportional to 43,508.70, 65,323.80 and 27,810.90

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Solution

The fourth proportional to 43,508.70, 65,323.80 and 27,810.90 is: 41,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,508.70 : 65,323.80 = 27,810.90 : x
  2. Step 2: Convert to fraction form
    43,508.70/65,323.80 = 27,810.90/x
  3. Step 3: Cross multiply
    43,508.70x = 65,323.80 × 27,810.90
  4. Step 4: Simplify right side
    43,508.70x = 1,816,713,669.42
  5. Step 5: Solve for x
    x = 1,816,713,669.42/43,508.70
  6. Step 6: Final answer
    x = 41,755.18

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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.