Home / 26,115.76-36,036.12-15,361.12

Finding the Fourth Proportional to 26,115.76, 36,036.12 and 15,361.12

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Solution

The fourth proportional to 26,115.76, 36,036.12 and 15,361.12 is: 21,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.76 : 36,036.12 = 15,361.12 : x
  2. Step 2: Convert to fraction form
    26,115.76/36,036.12 = 15,361.12/x
  3. Step 3: Cross multiply
    26,115.76x = 36,036.12 × 15,361.12
  4. Step 4: Simplify right side
    26,115.76x = 553,555,163.65
  5. Step 5: Solve for x
    x = 553,555,163.65/26,115.76
  6. Step 6: Final answer
    x = 21,196.21

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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.