Home / 28,993.92-40,010.49-16,418.70

Finding the Fourth Proportional to 28,993.92, 40,010.49 and 16,418.70

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Solution

The fourth proportional to 28,993.92, 40,010.49 and 16,418.70 is: 22,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993.92 : 40,010.49 = 16,418.70 : x
  2. Step 2: Convert to fraction form
    28,993.92/40,010.49 = 16,418.70/x
  3. Step 3: Cross multiply
    28,993.92x = 40,010.49 × 16,418.70
  4. Step 4: Simplify right side
    28,993.92x = 656,920,232.16
  5. Step 5: Solve for x
    x = 656,920,232.16/28,993.92
  6. Step 6: Final answer
    x = 22,657.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.