Home / 25,715.86-38,588.36-10,144.42

Finding the Fourth Proportional to 25,715.86, 38,588.36 and 10,144.42

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Solution

The fourth proportional to 25,715.86, 38,588.36 and 10,144.42 is: 15,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.86 : 38,588.36 = 10,144.42 : x
  2. Step 2: Convert to fraction form
    25,715.86/38,588.36 = 10,144.42/x
  3. Step 3: Cross multiply
    25,715.86x = 38,588.36 × 10,144.42
  4. Step 4: Simplify right side
    25,715.86x = 391,456,530.95
  5. Step 5: Solve for x
    x = 391,456,530.95/25,715.86
  6. Step 6: Final answer
    x = 15,222.38

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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.