Home / 26,145.78-36,084.24-15,535.41

Finding the Fourth Proportional to 26,145.78, 36,084.24 and 15,535.41

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Solution

The fourth proportional to 26,145.78, 36,084.24 and 15,535.41 is: 21,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.78 : 36,084.24 = 15,535.41 : x
  2. Step 2: Convert to fraction form
    26,145.78/36,084.24 = 15,535.41/x
  3. Step 3: Cross multiply
    26,145.78x = 36,084.24 × 15,535.41
  4. Step 4: Simplify right side
    26,145.78x = 560,583,462.94
  5. Step 5: Solve for x
    x = 560,583,462.94/26,145.78
  6. Step 6: Final answer
    x = 21,440.69

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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.