Home / 25,477.07-38,215.60-7,948.26

Finding the Fourth Proportional to 25,477.07, 38,215.60 and 7,948.26

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Solution

The fourth proportional to 25,477.07, 38,215.60 and 7,948.26 is: 11,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,477.07 : 38,215.60 = 7,948.26 : x
  2. Step 2: Convert to fraction form
    25,477.07/38,215.60 = 7,948.26/x
  3. Step 3: Cross multiply
    25,477.07x = 38,215.60 × 7,948.26
  4. Step 4: Simplify right side
    25,477.07x = 303,747,504.99
  5. Step 5: Solve for x
    x = 303,747,504.99/25,477.07
  6. Step 6: Final answer
    x = 11,922.39

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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.