Home / 25,107.48-37,668.06-20,415.87

Finding the Fourth Proportional to 25,107.48, 37,668.06 and 20,415.87

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Solution

The fourth proportional to 25,107.48, 37,668.06 and 20,415.87 is: 30,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.48 : 37,668.06 = 20,415.87 : x
  2. Step 2: Convert to fraction form
    25,107.48/37,668.06 = 20,415.87/x
  3. Step 3: Cross multiply
    25,107.48x = 37,668.06 × 20,415.87
  4. Step 4: Simplify right side
    25,107.48x = 769,026,216.11
  5. Step 5: Solve for x
    x = 769,026,216.11/25,107.48
  6. Step 6: Final answer
    x = 30,629.37

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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.