Home / 28,156.98-42,226.92-14,822.76

Finding the Fourth Proportional to 28,156.98, 42,226.92 and 14,822.76

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Solution

The fourth proportional to 28,156.98, 42,226.92 and 14,822.76 is: 22,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,156.98 : 42,226.92 = 14,822.76 : x
  2. Step 2: Convert to fraction form
    28,156.98/42,226.92 = 14,822.76/x
  3. Step 3: Cross multiply
    28,156.98x = 42,226.92 × 14,822.76
  4. Step 4: Simplify right side
    28,156.98x = 625,919,500.70
  5. Step 5: Solve for x
    x = 625,919,500.70/28,156.98
  6. Step 6: Final answer
    x = 22,229.64

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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.