Home / 25,553.84-38,299.73-13,678.43

Finding the Fourth Proportional to 25,553.84, 38,299.73 and 13,678.43

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Solution

The fourth proportional to 25,553.84, 38,299.73 and 13,678.43 is: 20,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,553.84 : 38,299.73 = 13,678.43 : x
  2. Step 2: Convert to fraction form
    25,553.84/38,299.73 = 13,678.43/x
  3. Step 3: Cross multiply
    25,553.84x = 38,299.73 × 13,678.43
  4. Step 4: Simplify right side
    25,553.84x = 523,879,984.33
  5. Step 5: Solve for x
    x = 523,879,984.33/25,553.84
  6. Step 6: Final answer
    x = 20,501.03

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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.