Home / 27,396.06-41,038.71-21,134.42

Finding the Fourth Proportional to 27,396.06, 41,038.71 and 21,134.42

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Solution

The fourth proportional to 27,396.06, 41,038.71 and 21,134.42 is: 31,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,396.06 : 41,038.71 = 21,134.42 : x
  2. Step 2: Convert to fraction form
    27,396.06/41,038.71 = 21,134.42/x
  3. Step 3: Cross multiply
    27,396.06x = 41,038.71 × 21,134.42
  4. Step 4: Simplify right side
    27,396.06x = 867,329,128.20
  5. Step 5: Solve for x
    x = 867,329,128.20/27,396.06
  6. Step 6: Final answer
    x = 31,658.90

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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.