Home / 26,111.99-39,240.27-25,478.97

Finding the Fourth Proportional to 26,111.99, 39,240.27 and 25,478.97

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Solution

The fourth proportional to 26,111.99, 39,240.27 and 25,478.97 is: 38,288.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.99 : 39,240.27 = 25,478.97 : x
  2. Step 2: Convert to fraction form
    26,111.99/39,240.27 = 25,478.97/x
  3. Step 3: Cross multiply
    26,111.99x = 39,240.27 × 25,478.97
  4. Step 4: Simplify right side
    26,111.99x = 999,801,662.12
  5. Step 5: Solve for x
    x = 999,801,662.12/26,111.99
  6. Step 6: Final answer
    x = 38,288.99

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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.