Home / 25,336.78-38,021.49-13,658.14

Finding the Fourth Proportional to 25,336.78, 38,021.49 and 13,658.14

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Solution

The fourth proportional to 25,336.78, 38,021.49 and 13,658.14 is: 20,496.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,336.78 : 38,021.49 = 13,658.14 : x
  2. Step 2: Convert to fraction form
    25,336.78/38,021.49 = 13,658.14/x
  3. Step 3: Cross multiply
    25,336.78x = 38,021.49 × 13,658.14
  4. Step 4: Simplify right side
    25,336.78x = 519,302,833.43
  5. Step 5: Solve for x
    x = 519,302,833.43/25,336.78
  6. Step 6: Final answer
    x = 20,496.01

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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.