Home / 25,664.90-38,498.71-8,136.10

Finding the Fourth Proportional to 25,664.90, 38,498.71 and 8,136.10

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Solution

The fourth proportional to 25,664.90, 38,498.71 and 8,136.10 is: 12,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,664.90 : 38,498.71 = 8,136.10 : x
  2. Step 2: Convert to fraction form
    25,664.90/38,498.71 = 8,136.10/x
  3. Step 3: Cross multiply
    25,664.90x = 38,498.71 × 8,136.10
  4. Step 4: Simplify right side
    25,664.90x = 313,229,141.60
  5. Step 5: Solve for x
    x = 313,229,141.60/25,664.90
  6. Step 6: Final answer
    x = 12,204.57

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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.