Home / 28,044.32-42,009.24-17,479.76

Finding the Fourth Proportional to 28,044.32, 42,009.24 and 17,479.76

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Solution

The fourth proportional to 28,044.32, 42,009.24 and 17,479.76 is: 26,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.32 : 42,009.24 = 17,479.76 : x
  2. Step 2: Convert to fraction form
    28,044.32/42,009.24 = 17,479.76/x
  3. Step 3: Cross multiply
    28,044.32x = 42,009.24 × 17,479.76
  4. Step 4: Simplify right side
    28,044.32x = 734,311,432.98
  5. Step 5: Solve for x
    x = 734,311,432.98/28,044.32
  6. Step 6: Final answer
    x = 26,183.96

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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.