Home / 40,828.28-61,226.60-15,865.02

Finding the Fourth Proportional to 40,828.28, 61,226.60 and 15,865.02

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Solution

The fourth proportional to 40,828.28, 61,226.60 and 15,865.02 is: 23,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,828.28 : 61,226.60 = 15,865.02 : x
  2. Step 2: Convert to fraction form
    40,828.28/61,226.60 = 15,865.02/x
  3. Step 3: Cross multiply
    40,828.28x = 61,226.60 × 15,865.02
  4. Step 4: Simplify right side
    40,828.28x = 971,361,154.21
  5. Step 5: Solve for x
    x = 971,361,154.21/40,828.28
  6. Step 6: Final answer
    x = 23,791.38

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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.