Home / 27,367.41-37,766.50-15,430.76

Finding the Fourth Proportional to 27,367.41, 37,766.50 and 15,430.76

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Solution

The fourth proportional to 27,367.41, 37,766.50 and 15,430.76 is: 21,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,367.41 : 37,766.50 = 15,430.76 : x
  2. Step 2: Convert to fraction form
    27,367.41/37,766.50 = 15,430.76/x
  3. Step 3: Cross multiply
    27,367.41x = 37,766.50 × 15,430.76
  4. Step 4: Simplify right side
    27,367.41x = 582,765,797.54
  5. Step 5: Solve for x
    x = 582,765,797.54/27,367.41
  6. Step 6: Final answer
    x = 21,294.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.