Home / 26,129.34-36,033.93-20,151.54

Finding the Fourth Proportional to 26,129.34, 36,033.93 and 20,151.54

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Solution

The fourth proportional to 26,129.34, 36,033.93 and 20,151.54 is: 27,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.34 : 36,033.93 = 20,151.54 : x
  2. Step 2: Convert to fraction form
    26,129.34/36,033.93 = 20,151.54/x
  3. Step 3: Cross multiply
    26,129.34x = 36,033.93 × 20,151.54
  4. Step 4: Simplify right side
    26,129.34x = 726,139,181.75
  5. Step 5: Solve for x
    x = 726,139,181.75/26,129.34
  6. Step 6: Final answer
    x = 27,790.18

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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.