Home / 27,959.12-41,913.72-10,429.76

Finding the Fourth Proportional to 27,959.12, 41,913.72 and 10,429.76

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Solution

The fourth proportional to 27,959.12, 41,913.72 and 10,429.76 is: 15,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959.12 : 41,913.72 = 10,429.76 : x
  2. Step 2: Convert to fraction form
    27,959.12/41,913.72 = 10,429.76/x
  3. Step 3: Cross multiply
    27,959.12x = 41,913.72 × 10,429.76
  4. Step 4: Simplify right side
    27,959.12x = 437,150,040.31
  5. Step 5: Solve for x
    x = 437,150,040.31/27,959.12
  6. Step 6: Final answer
    x = 15,635.33

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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.