Home / 25,864.81-38,830.05-21,993.82

Finding the Fourth Proportional to 25,864.81, 38,830.05 and 21,993.82

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Solution

The fourth proportional to 25,864.81, 38,830.05 and 21,993.82 is: 33,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,864.81 : 38,830.05 = 21,993.82 : x
  2. Step 2: Convert to fraction form
    25,864.81/38,830.05 = 21,993.82/x
  3. Step 3: Cross multiply
    25,864.81x = 38,830.05 × 21,993.82
  4. Step 4: Simplify right side
    25,864.81x = 854,021,033.22
  5. Step 5: Solve for x
    x = 854,021,033.22/25,864.81
  6. Step 6: Final answer
    x = 33,018.65

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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.