Home / 27,166.54-40,758.68-13,128.18

Finding the Fourth Proportional to 27,166.54, 40,758.68 and 13,128.18

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Solution

The fourth proportional to 27,166.54, 40,758.68 and 13,128.18 is: 19,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,166.54 : 40,758.68 = 13,128.18 : x
  2. Step 2: Convert to fraction form
    27,166.54/40,758.68 = 13,128.18/x
  3. Step 3: Cross multiply
    27,166.54x = 40,758.68 × 13,128.18
  4. Step 4: Simplify right side
    27,166.54x = 535,087,320.42
  5. Step 5: Solve for x
    x = 535,087,320.42/27,166.54
  6. Step 6: Final answer
    x = 19,696.56

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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.