Home / 25,287.95-37,902.36-19,027.87

Finding the Fourth Proportional to 25,287.95, 37,902.36 and 19,027.87

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Solution

The fourth proportional to 25,287.95, 37,902.36 and 19,027.87 is: 28,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.95 : 37,902.36 = 19,027.87 : x
  2. Step 2: Convert to fraction form
    25,287.95/37,902.36 = 19,027.87/x
  3. Step 3: Cross multiply
    25,287.95x = 37,902.36 × 19,027.87
  4. Step 4: Simplify right side
    25,287.95x = 721,201,178.77
  5. Step 5: Solve for x
    x = 721,201,178.77/25,287.95
  6. Step 6: Final answer
    x = 28,519.56

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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.