Home / 28,644.84-42,926.94-22,775.40

Finding the Fourth Proportional to 28,644.84, 42,926.94 and 22,775.40

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Solution

The fourth proportional to 28,644.84, 42,926.94 and 22,775.40 is: 34,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.84 : 42,926.94 = 22,775.40 : x
  2. Step 2: Convert to fraction form
    28,644.84/42,926.94 = 22,775.40/x
  3. Step 3: Cross multiply
    28,644.84x = 42,926.94 × 22,775.40
  4. Step 4: Simplify right side
    28,644.84x = 977,678,229.28
  5. Step 5: Solve for x
    x = 977,678,229.28/28,644.84
  6. Step 6: Final answer
    x = 34,131.04

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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.