Home / 28,366.20-42,568.44-21,351.41

Finding the Fourth Proportional to 28,366.20, 42,568.44 and 21,351.41

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Solution

The fourth proportional to 28,366.20, 42,568.44 and 21,351.41 is: 32,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.20 : 42,568.44 = 21,351.41 : x
  2. Step 2: Convert to fraction form
    28,366.20/42,568.44 = 21,351.41/x
  3. Step 3: Cross multiply
    28,366.20x = 42,568.44 × 21,351.41
  4. Step 4: Simplify right side
    28,366.20x = 908,896,002.66
  5. Step 5: Solve for x
    x = 908,896,002.66/28,366.20
  6. Step 6: Final answer
    x = 32,041.51

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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.