Home / 28,871.28-43,311.78-10,150.56

Finding the Fourth Proportional to 28,871.28, 43,311.78 and 10,150.56

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Solution

The fourth proportional to 28,871.28, 43,311.78 and 10,150.56 is: 15,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.28 : 43,311.78 = 10,150.56 : x
  2. Step 2: Convert to fraction form
    28,871.28/43,311.78 = 10,150.56/x
  3. Step 3: Cross multiply
    28,871.28x = 43,311.78 × 10,150.56
  4. Step 4: Simplify right side
    28,871.28x = 439,638,821.60
  5. Step 5: Solve for x
    x = 439,638,821.60/28,871.28
  6. Step 6: Final answer
    x = 15,227.55

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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.