Home / 25,136.50-34,688.38-13,958.50

Finding the Fourth Proportional to 25,136.50, 34,688.38 and 13,958.50

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Solution

The fourth proportional to 25,136.50, 34,688.38 and 13,958.50 is: 19,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,136.50 : 34,688.38 = 13,958.50 : x
  2. Step 2: Convert to fraction form
    25,136.50/34,688.38 = 13,958.50/x
  3. Step 3: Cross multiply
    25,136.50x = 34,688.38 × 13,958.50
  4. Step 4: Simplify right side
    25,136.50x = 484,197,752.23
  5. Step 5: Solve for x
    x = 484,197,752.23/25,136.50
  6. Step 6: Final answer
    x = 19,262.74

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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.