Home / 28,311.20-42,471.41-10,541.93

Finding the Fourth Proportional to 28,311.20, 42,471.41 and 10,541.93

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Solution

The fourth proportional to 28,311.20, 42,471.41 and 10,541.93 is: 15,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,311.20 : 42,471.41 = 10,541.93 : x
  2. Step 2: Convert to fraction form
    28,311.20/42,471.41 = 10,541.93/x
  3. Step 3: Cross multiply
    28,311.20x = 42,471.41 × 10,541.93
  4. Step 4: Simplify right side
    28,311.20x = 447,730,366.15
  5. Step 5: Solve for x
    x = 447,730,366.15/28,311.20
  6. Step 6: Final answer
    x = 15,814.60

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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.