Home / 26,339.28-39,515.04-7,618.56

Finding the Fourth Proportional to 26,339.28, 39,515.04 and 7,618.56

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Solution

The fourth proportional to 26,339.28, 39,515.04 and 7,618.56 is: 11,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,339.28 : 39,515.04 = 7,618.56 : x
  2. Step 2: Convert to fraction form
    26,339.28/39,515.04 = 7,618.56/x
  3. Step 3: Cross multiply
    26,339.28x = 39,515.04 × 7,618.56
  4. Step 4: Simplify right side
    26,339.28x = 301,047,703.14
  5. Step 5: Solve for x
    x = 301,047,703.14/26,339.28
  6. Step 6: Final answer
    x = 11,429.61

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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.