Home / 22,918.95-34,387.94-21,079.85

Finding the Fourth Proportional to 22,918.95, 34,387.94 and 21,079.85

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Solution

The fourth proportional to 22,918.95, 34,387.94 and 21,079.85 is: 31,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.95 : 34,387.94 = 21,079.85 : x
  2. Step 2: Convert to fraction form
    22,918.95/34,387.94 = 21,079.85/x
  3. Step 3: Cross multiply
    22,918.95x = 34,387.94 × 21,079.85
  4. Step 4: Simplify right side
    22,918.95x = 724,892,497.77
  5. Step 5: Solve for x
    x = 724,892,497.77/22,918.95
  6. Step 6: Final answer
    x = 31,628.52

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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.