Home / 25,287.45-37,901.61-19,027.37

Finding the Fourth Proportional to 25,287.45, 37,901.61 and 19,027.37

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Solution

The fourth proportional to 25,287.45, 37,901.61 and 19,027.37 is: 28,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.45 : 37,901.61 = 19,027.37 : x
  2. Step 2: Convert to fraction form
    25,287.45/37,901.61 = 19,027.37/x
  3. Step 3: Cross multiply
    25,287.45x = 37,901.61 × 19,027.37
  4. Step 4: Simplify right side
    25,287.45x = 721,167,767.56
  5. Step 5: Solve for x
    x = 721,167,767.56/25,287.45
  6. Step 6: Final answer
    x = 28,518.80

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1.5x scale

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.