Home / 29,359.33-40,515.74-15,930.56

Finding the Fourth Proportional to 29,359.33, 40,515.74 and 15,930.56

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Solution

The fourth proportional to 29,359.33, 40,515.74 and 15,930.56 is: 21,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,359.33 : 40,515.74 = 15,930.56 : x
  2. Step 2: Convert to fraction form
    29,359.33/40,515.74 = 15,930.56/x
  3. Step 3: Cross multiply
    29,359.33x = 40,515.74 × 15,930.56
  4. Step 4: Simplify right side
    29,359.33x = 645,438,370.10
  5. Step 5: Solve for x
    x = 645,438,370.10/29,359.33
  6. Step 6: Final answer
    x = 21,984.10

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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.