Home / 43,398.12-65,049.42-28,399.08

Finding the Fourth Proportional to 43,398.12, 65,049.42 and 28,399.08

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Solution

The fourth proportional to 43,398.12, 65,049.42 and 28,399.08 is: 42,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,398.12 : 65,049.42 = 28,399.08 : x
  2. Step 2: Convert to fraction form
    43,398.12/65,049.42 = 28,399.08/x
  3. Step 3: Cross multiply
    43,398.12x = 65,049.42 × 28,399.08
  4. Step 4: Simplify right side
    43,398.12x = 1,847,343,682.53
  5. Step 5: Solve for x
    x = 1,847,343,682.53/43,398.12
  6. Step 6: Final answer
    x = 42,567.37

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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.