Home / 28,267.92-42,402.96-8,548.20

Finding the Fourth Proportional to 28,267.92, 42,402.96 and 8,548.20

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Solution

The fourth proportional to 28,267.92, 42,402.96 and 8,548.20 is: 12,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267.92 : 42,402.96 = 8,548.20 : x
  2. Step 2: Convert to fraction form
    28,267.92/42,402.96 = 8,548.20/x
  3. Step 3: Cross multiply
    28,267.92x = 42,402.96 × 8,548.20
  4. Step 4: Simplify right side
    28,267.92x = 362,468,982.67
  5. Step 5: Solve for x
    x = 362,468,982.67/28,267.92
  6. Step 6: Final answer
    x = 12,822.63

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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.