Home / 28,877.92-43,393.02-15,560.81

Finding the Fourth Proportional to 28,877.92, 43,393.02 and 15,560.81

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Solution

The fourth proportional to 28,877.92, 43,393.02 and 15,560.81 is: 23,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.92 : 43,393.02 = 15,560.81 : x
  2. Step 2: Convert to fraction form
    28,877.92/43,393.02 = 15,560.81/x
  3. Step 3: Cross multiply
    28,877.92x = 43,393.02 × 15,560.81
  4. Step 4: Simplify right side
    28,877.92x = 675,230,426.95
  5. Step 5: Solve for x
    x = 675,230,426.95/28,877.92
  6. Step 6: Final answer
    x = 23,382.24

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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.