Home / 15,926.72-23,889.64-4,240.04

Finding the Fourth Proportional to 15,926.72, 23,889.64 and 4,240.04

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Solution

The fourth proportional to 15,926.72, 23,889.64 and 4,240.04 is: 6,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.72 : 23,889.64 = 4,240.04 : x
  2. Step 2: Convert to fraction form
    15,926.72/23,889.64 = 4,240.04/x
  3. Step 3: Cross multiply
    15,926.72x = 23,889.64 × 4,240.04
  4. Step 4: Simplify right side
    15,926.72x = 101,293,029.19
  5. Step 5: Solve for x
    x = 101,293,029.19/15,926.72
  6. Step 6: Final answer
    x = 6,359.94

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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.