Home / 26,890.26-40,305.51-20,295.06

Finding the Fourth Proportional to 26,890.26, 40,305.51 and 20,295.06

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Solution

The fourth proportional to 26,890.26, 40,305.51 and 20,295.06 is: 30,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.26 : 40,305.51 = 20,295.06 : x
  2. Step 2: Convert to fraction form
    26,890.26/40,305.51 = 20,295.06/x
  3. Step 3: Cross multiply
    26,890.26x = 40,305.51 × 20,295.06
  4. Step 4: Simplify right side
    26,890.26x = 818,002,743.78
  5. Step 5: Solve for x
    x = 818,002,743.78/26,890.26
  6. Step 6: Final answer
    x = 30,420.04

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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.