Home / 28,097.52-42,167.01-13,306.41

Finding the Fourth Proportional to 28,097.52, 42,167.01 and 13,306.41

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Solution

The fourth proportional to 28,097.52, 42,167.01 and 13,306.41 is: 19,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.52 : 42,167.01 = 13,306.41 : x
  2. Step 2: Convert to fraction form
    28,097.52/42,167.01 = 13,306.41/x
  3. Step 3: Cross multiply
    28,097.52x = 42,167.01 × 13,306.41
  4. Step 4: Simplify right side
    28,097.52x = 561,091,312.70
  5. Step 5: Solve for x
    x = 561,091,312.70/28,097.52
  6. Step 6: Final answer
    x = 19,969.43

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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.