Home / 27,870.78-41,784.30-19,079.04

Finding the Fourth Proportional to 27,870.78, 41,784.30 and 19,079.04

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Solution

The fourth proportional to 27,870.78, 41,784.30 and 19,079.04 is: 28,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.78 : 41,784.30 = 19,079.04 : x
  2. Step 2: Convert to fraction form
    27,870.78/41,784.30 = 19,079.04/x
  3. Step 3: Cross multiply
    27,870.78x = 41,784.30 × 19,079.04
  4. Step 4: Simplify right side
    27,870.78x = 797,204,331.07
  5. Step 5: Solve for x
    x = 797,204,331.07/27,870.78
  6. Step 6: Final answer
    x = 28,603.59

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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.