Home / 28,296.66-42,451.08-8,576.76

Finding the Fourth Proportional to 28,296.66, 42,451.08 and 8,576.76

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Solution

The fourth proportional to 28,296.66, 42,451.08 and 8,576.76 is: 12,866.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.66 : 42,451.08 = 8,576.76 : x
  2. Step 2: Convert to fraction form
    28,296.66/42,451.08 = 8,576.76/x
  3. Step 3: Cross multiply
    28,296.66x = 42,451.08 × 8,576.76
  4. Step 4: Simplify right side
    28,296.66x = 364,092,724.90
  5. Step 5: Solve for x
    x = 364,092,724.90/28,296.66
  6. Step 6: Final answer
    x = 12,866.99

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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.