Home / 29,296.14-40,428.63-15,867.39

Finding the Fourth Proportional to 29,296.14, 40,428.63 and 15,867.39

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Solution

The fourth proportional to 29,296.14, 40,428.63 and 15,867.39 is: 21,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.14 : 40,428.63 = 15,867.39 : x
  2. Step 2: Convert to fraction form
    29,296.14/40,428.63 = 15,867.39/x
  3. Step 3: Cross multiply
    29,296.14x = 40,428.63 × 15,867.39
  4. Step 4: Simplify right side
    29,296.14x = 641,496,839.38
  5. Step 5: Solve for x
    x = 641,496,839.38/29,296.14
  6. Step 6: Final answer
    x = 21,896.97

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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.