Home / 25,760.65-38,845.94-25,409.36

Finding the Fourth Proportional to 25,760.65, 38,845.94 and 25,409.36

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Solution

The fourth proportional to 25,760.65, 38,845.94 and 25,409.36 is: 38,316.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760.65 : 38,845.94 = 25,409.36 : x
  2. Step 2: Convert to fraction form
    25,760.65/38,845.94 = 25,409.36/x
  3. Step 3: Cross multiply
    25,760.65x = 38,845.94 × 25,409.36
  4. Step 4: Simplify right side
    25,760.65x = 987,050,571.11
  5. Step 5: Solve for x
    x = 987,050,571.11/25,760.65
  6. Step 6: Final answer
    x = 38,316.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.