Home / 43,414.08-65,104.08-15,328.14

Finding the Fourth Proportional to 43,414.08, 65,104.08 and 15,328.14

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Solution

The fourth proportional to 43,414.08, 65,104.08 and 15,328.14 is: 22,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,414.08 : 65,104.08 = 15,328.14 : x
  2. Step 2: Convert to fraction form
    43,414.08/65,104.08 = 15,328.14/x
  3. Step 3: Cross multiply
    43,414.08x = 65,104.08 × 15,328.14
  4. Step 4: Simplify right side
    43,414.08x = 997,924,452.81
  5. Step 5: Solve for x
    x = 997,924,452.81/43,414.08
  6. Step 6: Final answer
    x = 22,986.19

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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.