Home / 25,640.39-38,466.79-9,630.07

Finding the Fourth Proportional to 25,640.39, 38,466.79 and 9,630.07

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Solution

The fourth proportional to 25,640.39, 38,466.79 and 9,630.07 is: 14,447.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.39 : 38,466.79 = 9,630.07 : x
  2. Step 2: Convert to fraction form
    25,640.39/38,466.79 = 9,630.07/x
  3. Step 3: Cross multiply
    25,640.39x = 38,466.79 × 9,630.07
  4. Step 4: Simplify right side
    25,640.39x = 370,437,760.13
  5. Step 5: Solve for x
    x = 370,437,760.13/25,640.39
  6. Step 6: Final answer
    x = 14,447.43

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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.