Home / 21,876.93-32,810.54-6,290.91

Finding the Fourth Proportional to 21,876.93, 32,810.54 and 6,290.91

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Solution

The fourth proportional to 21,876.93, 32,810.54 and 6,290.91 is: 9,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876.93 : 32,810.54 = 6,290.91 : x
  2. Step 2: Convert to fraction form
    21,876.93/32,810.54 = 6,290.91/x
  3. Step 3: Cross multiply
    21,876.93x = 32,810.54 × 6,290.91
  4. Step 4: Simplify right side
    21,876.93x = 206,408,122.74
  5. Step 5: Solve for x
    x = 206,408,122.74/21,876.93
  6. Step 6: Final answer
    x = 9,434.97

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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.