Home / 25,551.78-38,342.49-10,759.50

Finding the Fourth Proportional to 25,551.78, 38,342.49 and 10,759.50

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Solution

The fourth proportional to 25,551.78, 38,342.49 and 10,759.50 is: 16,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,551.78 : 38,342.49 = 10,759.50 : x
  2. Step 2: Convert to fraction form
    25,551.78/38,342.49 = 10,759.50/x
  3. Step 3: Cross multiply
    25,551.78x = 38,342.49 × 10,759.50
  4. Step 4: Simplify right side
    25,551.78x = 412,546,021.16
  5. Step 5: Solve for x
    x = 412,546,021.16/25,551.78
  6. Step 6: Final answer
    x = 16,145.49

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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.