Home / 43,742.28-60,348.56-28,643.55

Finding the Fourth Proportional to 43,742.28, 60,348.56 and 28,643.55

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Solution

The fourth proportional to 43,742.28, 60,348.56 and 28,643.55 is: 39,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,742.28 : 60,348.56 = 28,643.55 : x
  2. Step 2: Convert to fraction form
    43,742.28/60,348.56 = 28,643.55/x
  3. Step 3: Cross multiply
    43,742.28x = 60,348.56 × 28,643.55
  4. Step 4: Simplify right side
    43,742.28x = 1,728,596,836.27
  5. Step 5: Solve for x
    x = 1,728,596,836.27/43,742.28
  6. Step 6: Final answer
    x = 39,517.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.