Home / 28,254.57-42,382.19-8,533.32

Finding the Fourth Proportional to 28,254.57, 42,382.19 and 8,533.32

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Solution

The fourth proportional to 28,254.57, 42,382.19 and 8,533.32 is: 12,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.57 : 42,382.19 = 8,533.32 : x
  2. Step 2: Convert to fraction form
    28,254.57/42,382.19 = 8,533.32/x
  3. Step 3: Cross multiply
    28,254.57x = 42,382.19 × 8,533.32
  4. Step 4: Simplify right side
    28,254.57x = 361,660,789.57
  5. Step 5: Solve for x
    x = 361,660,789.57/28,254.57
  6. Step 6: Final answer
    x = 12,800.08

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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.