Home / 28,602.51-42,810.60-25,874.43

Finding the Fourth Proportional to 28,602.51, 42,810.60 and 25,874.43

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Solution

The fourth proportional to 28,602.51, 42,810.60 and 25,874.43 is: 38,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,602.51 : 42,810.60 = 25,874.43 : x
  2. Step 2: Convert to fraction form
    28,602.51/42,810.60 = 25,874.43/x
  3. Step 3: Cross multiply
    28,602.51x = 42,810.60 × 25,874.43
  4. Step 4: Simplify right side
    28,602.51x = 1,107,699,872.96
  5. Step 5: Solve for x
    x = 1,107,699,872.96/28,602.51
  6. Step 6: Final answer
    x = 38,727.37

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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.