Home / 29,294.28-40,426.07-15,865.53

Finding the Fourth Proportional to 29,294.28, 40,426.07 and 15,865.53

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Solution

The fourth proportional to 29,294.28, 40,426.07 and 15,865.53 is: 21,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,294.28 : 40,426.07 = 15,865.53 : x
  2. Step 2: Convert to fraction form
    29,294.28/40,426.07 = 15,865.53/x
  3. Step 3: Cross multiply
    29,294.28x = 40,426.07 × 15,865.53
  4. Step 4: Simplify right side
    29,294.28x = 641,380,984.80
  5. Step 5: Solve for x
    x = 641,380,984.80/29,294.28
  6. Step 6: Final answer
    x = 21,894.41

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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.