Home / 15,428.90-23,144.56-4,336.50

Finding the Fourth Proportional to 15,428.90, 23,144.56 and 4,336.50

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Solution

The fourth proportional to 15,428.90, 23,144.56 and 4,336.50 is: 6,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.90 : 23,144.56 = 4,336.50 : x
  2. Step 2: Convert to fraction form
    15,428.90/23,144.56 = 4,336.50/x
  3. Step 3: Cross multiply
    15,428.90x = 23,144.56 × 4,336.50
  4. Step 4: Simplify right side
    15,428.90x = 100,366,384.44
  5. Step 5: Solve for x
    x = 100,366,384.44/15,428.90
  6. Step 6: Final answer
    x = 6,505.09

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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.