Home / 29,296.32-40,428.82-15,867.54

Finding the Fourth Proportional to 29,296.32, 40,428.82 and 15,867.54

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Solution

The fourth proportional to 29,296.32, 40,428.82 and 15,867.54 is: 21,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.32 : 40,428.82 = 15,867.54 : x
  2. Step 2: Convert to fraction form
    29,296.32/40,428.82 = 15,867.54/x
  3. Step 3: Cross multiply
    29,296.32x = 40,428.82 × 15,867.54
  4. Step 4: Simplify right side
    29,296.32x = 641,505,918.50
  5. Step 5: Solve for x
    x = 641,505,918.50/29,296.32
  6. Step 6: Final answer
    x = 21,897.15

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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.