Home / 25,948.82-38,889.39-11,903.78

Finding the Fourth Proportional to 25,948.82, 38,889.39 and 11,903.78

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Solution

The fourth proportional to 25,948.82, 38,889.39 and 11,903.78 is: 17,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948.82 : 38,889.39 = 11,903.78 : x
  2. Step 2: Convert to fraction form
    25,948.82/38,889.39 = 11,903.78/x
  3. Step 3: Cross multiply
    25,948.82x = 38,889.39 × 11,903.78
  4. Step 4: Simplify right side
    25,948.82x = 462,930,742.89
  5. Step 5: Solve for x
    x = 462,930,742.89/25,948.82
  6. Step 6: Final answer
    x = 17,840.15

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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.