Home / 25,440.99-38,161.56-7,910.82

Finding the Fourth Proportional to 25,440.99, 38,161.56 and 7,910.82

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Solution

The fourth proportional to 25,440.99, 38,161.56 and 7,910.82 is: 11,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.99 : 38,161.56 = 7,910.82 : x
  2. Step 2: Convert to fraction form
    25,440.99/38,161.56 = 7,910.82/x
  3. Step 3: Cross multiply
    25,440.99x = 38,161.56 × 7,910.82
  4. Step 4: Simplify right side
    25,440.99x = 301,889,232.08
  5. Step 5: Solve for x
    x = 301,889,232.08/25,440.99
  6. Step 6: Final answer
    x = 11,866.25

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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.