Home / 28,366.29-42,515.42-20,033.82

Finding the Fourth Proportional to 28,366.29, 42,515.42 and 20,033.82

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Solution

The fourth proportional to 28,366.29, 42,515.42 and 20,033.82 is: 30,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.29 : 42,515.42 = 20,033.82 : x
  2. Step 2: Convert to fraction form
    28,366.29/42,515.42 = 20,033.82/x
  3. Step 3: Cross multiply
    28,366.29x = 42,515.42 × 20,033.82
  4. Step 4: Simplify right side
    28,366.29x = 851,746,171.34
  5. Step 5: Solve for x
    x = 851,746,171.34/28,366.29
  6. Step 6: Final answer
    x = 30,026.70

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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.