Home / 25,436.79-38,160.65-8,571.47

Finding the Fourth Proportional to 25,436.79, 38,160.65 and 8,571.47

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Solution

The fourth proportional to 25,436.79, 38,160.65 and 8,571.47 is: 12,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.79 : 38,160.65 = 8,571.47 : x
  2. Step 2: Convert to fraction form
    25,436.79/38,160.65 = 8,571.47/x
  3. Step 3: Cross multiply
    25,436.79x = 38,160.65 × 8,571.47
  4. Step 4: Simplify right side
    25,436.79x = 327,092,632.99
  5. Step 5: Solve for x
    x = 327,092,632.99/25,436.79
  6. Step 6: Final answer
    x = 12,859.04

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1.5x scale

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.