Home / 28,268.04-39,026.80-17,672.02

Finding the Fourth Proportional to 28,268.04, 39,026.80 and 17,672.02

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Solution

The fourth proportional to 28,268.04, 39,026.80 and 17,672.02 is: 24,397.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.04 : 39,026.80 = 17,672.02 : x
  2. Step 2: Convert to fraction form
    28,268.04/39,026.80 = 17,672.02/x
  3. Step 3: Cross multiply
    28,268.04x = 39,026.80 × 17,672.02
  4. Step 4: Simplify right side
    28,268.04x = 689,682,390.14
  5. Step 5: Solve for x
    x = 689,682,390.14/28,268.04
  6. Step 6: Final answer
    x = 24,397.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.