Home / 28,993.20-40,020.12-26,455.92

Finding the Fourth Proportional to 28,993.20, 40,020.12 and 26,455.92

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Solution

The fourth proportional to 28,993.20, 40,020.12 and 26,455.92 is: 36,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,993.20 : 40,020.12 = 26,455.92 : x
  2. Step 2: Convert to fraction form
    28,993.20/40,020.12 = 26,455.92/x
  3. Step 3: Cross multiply
    28,993.20x = 40,020.12 × 26,455.92
  4. Step 4: Simplify right side
    28,993.20x = 1,058,769,093.11
  5. Step 5: Solve for x
    x = 1,058,769,093.11/28,993.20
  6. Step 6: Final answer
    x = 36,517.84

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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.