Home / 40,828.41-61,265.97-15,865.20

Finding the Fourth Proportional to 40,828.41, 61,265.97 and 15,865.20

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Solution

The fourth proportional to 40,828.41, 61,265.97 and 15,865.20 is: 23,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,828.41 : 61,265.97 = 15,865.20 : x
  2. Step 2: Convert to fraction form
    40,828.41/61,265.97 = 15,865.20/x
  3. Step 3: Cross multiply
    40,828.41x = 61,265.97 × 15,865.20
  4. Step 4: Simplify right side
    40,828.41x = 971,996,867.24
  5. Step 5: Solve for x
    x = 971,996,867.24/40,828.41
  6. Step 6: Final answer
    x = 23,806.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.