Home / 40,828.71-61,219.23-15,839.56

Finding the Fourth Proportional to 40,828.71, 61,219.23 and 15,839.56

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Solution

The fourth proportional to 40,828.71, 61,219.23 and 15,839.56 is: 23,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,828.71 : 61,219.23 = 15,839.56 : x
  2. Step 2: Convert to fraction form
    40,828.71/61,219.23 = 15,839.56/x
  3. Step 3: Cross multiply
    40,828.71x = 61,219.23 × 15,839.56
  4. Step 4: Simplify right side
    40,828.71x = 969,685,281.44
  5. Step 5: Solve for x
    x = 969,685,281.44/40,828.71
  6. Step 6: Final answer
    x = 23,750.08

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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.