Home / 43,515.36-65,279.31-16,507.65

Finding the Fourth Proportional to 43,515.36, 65,279.31 and 16,507.65

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Solution

The fourth proportional to 43,515.36, 65,279.31 and 16,507.65 is: 24,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,515.36 : 65,279.31 = 16,507.65 : x
  2. Step 2: Convert to fraction form
    43,515.36/65,279.31 = 16,507.65/x
  3. Step 3: Cross multiply
    43,515.36x = 65,279.31 × 16,507.65
  4. Step 4: Simplify right side
    43,515.36x = 1,077,608,001.72
  5. Step 5: Solve for x
    x = 1,077,608,001.72/43,515.36
  6. Step 6: Final answer
    x = 24,763.85

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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.