Home / 29,296.28-40,428.83-15,867.53

Finding the Fourth Proportional to 29,296.28, 40,428.83 and 15,867.53

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Solution

The fourth proportional to 29,296.28, 40,428.83 and 15,867.53 is: 21,897.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.28 : 40,428.83 = 15,867.53 : x
  2. Step 2: Convert to fraction form
    29,296.28/40,428.83 = 15,867.53/x
  3. Step 3: Cross multiply
    29,296.28x = 40,428.83 × 15,867.53
  4. Step 4: Simplify right side
    29,296.28x = 641,505,672.89
  5. Step 5: Solve for x
    x = 641,505,672.89/29,296.28
  6. Step 6: Final answer
    x = 21,897.17

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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.