Home / 25,984.20-38,953.05-10,185.54

Finding the Fourth Proportional to 25,984.20, 38,953.05 and 10,185.54

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Solution

The fourth proportional to 25,984.20, 38,953.05 and 10,185.54 is: 15,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,984.20 : 38,953.05 = 10,185.54 : x
  2. Step 2: Convert to fraction form
    25,984.20/38,953.05 = 10,185.54/x
  3. Step 3: Cross multiply
    25,984.20x = 38,953.05 × 10,185.54
  4. Step 4: Simplify right side
    25,984.20x = 396,757,848.90
  5. Step 5: Solve for x
    x = 396,757,848.90/25,984.20
  6. Step 6: Final answer
    x = 15,269.20

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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.