Home / 25,855.68-35,679.90-15,801.01

Finding the Fourth Proportional to 25,855.68, 35,679.90 and 15,801.01

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Solution

The fourth proportional to 25,855.68, 35,679.90 and 15,801.01 is: 21,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.68 : 35,679.90 = 15,801.01 : x
  2. Step 2: Convert to fraction form
    25,855.68/35,679.90 = 15,801.01/x
  3. Step 3: Cross multiply
    25,855.68x = 35,679.90 × 15,801.01
  4. Step 4: Simplify right side
    25,855.68x = 563,778,456.70
  5. Step 5: Solve for x
    x = 563,778,456.70/25,855.68
  6. Step 6: Final answer
    x = 21,804.82

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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.