Home / 25,439.67-38,164.77-7,910.46

Finding the Fourth Proportional to 25,439.67, 38,164.77 and 7,910.46

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Solution

The fourth proportional to 25,439.67, 38,164.77 and 7,910.46 is: 11,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.67 : 38,164.77 = 7,910.46 : x
  2. Step 2: Convert to fraction form
    25,439.67/38,164.77 = 7,910.46/x
  3. Step 3: Cross multiply
    25,439.67x = 38,164.77 × 7,910.46
  4. Step 4: Simplify right side
    25,439.67x = 301,900,886.49
  5. Step 5: Solve for x
    x = 301,900,886.49/25,439.67
  6. Step 6: Final answer
    x = 11,867.33

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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.