Home / 29,296.41-40,428.87-15,867.36

Finding the Fourth Proportional to 29,296.41, 40,428.87 and 15,867.36

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Solution

The fourth proportional to 29,296.41, 40,428.87 and 15,867.36 is: 21,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.41 : 40,428.87 = 15,867.36 : x
  2. Step 2: Convert to fraction form
    29,296.41/40,428.87 = 15,867.36/x
  3. Step 3: Cross multiply
    29,296.41x = 40,428.87 × 15,867.36
  4. Step 4: Simplify right side
    29,296.41x = 641,499,434.68
  5. Step 5: Solve for x
    x = 641,499,434.68/29,296.41
  6. Step 6: Final answer
    x = 21,896.86

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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.