Home / 26,036.05-35,912.67-18,390.55

Finding the Fourth Proportional to 26,036.05, 35,912.67 and 18,390.55

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Solution

The fourth proportional to 26,036.05, 35,912.67 and 18,390.55 is: 25,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,036.05 : 35,912.67 = 18,390.55 : x
  2. Step 2: Convert to fraction form
    26,036.05/35,912.67 = 18,390.55/x
  3. Step 3: Cross multiply
    26,036.05x = 35,912.67 × 18,390.55
  4. Step 4: Simplify right side
    26,036.05x = 660,453,753.27
  5. Step 5: Solve for x
    x = 660,453,753.27/26,036.05
  6. Step 6: Final answer
    x = 25,366.90

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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.