Home / 28,761.64-43,156.06-12,125.48

Finding the Fourth Proportional to 28,761.64, 43,156.06 and 12,125.48

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Solution

The fourth proportional to 28,761.64, 43,156.06 and 12,125.48 is: 18,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.64 : 43,156.06 = 12,125.48 : x
  2. Step 2: Convert to fraction form
    28,761.64/43,156.06 = 12,125.48/x
  3. Step 3: Cross multiply
    28,761.64x = 43,156.06 × 12,125.48
  4. Step 4: Simplify right side
    28,761.64x = 523,287,942.41
  5. Step 5: Solve for x
    x = 523,287,942.41/28,761.64
  6. Step 6: Final answer
    x = 18,193.95

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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.