Home / 26,781.96-40,160.35-9,903.31

Finding the Fourth Proportional to 26,781.96, 40,160.35 and 9,903.31

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Solution

The fourth proportional to 26,781.96, 40,160.35 and 9,903.31 is: 14,850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.96 : 40,160.35 = 9,903.31 : x
  2. Step 2: Convert to fraction form
    26,781.96/40,160.35 = 9,903.31/x
  3. Step 3: Cross multiply
    26,781.96x = 40,160.35 × 9,903.31
  4. Step 4: Simplify right side
    26,781.96x = 397,720,395.76
  5. Step 5: Solve for x
    x = 397,720,395.76/26,781.96
  6. Step 6: Final answer
    x = 14,850.31

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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.