Home / 27,422.28-41,124.92-9,889.84

Finding the Fourth Proportional to 27,422.28, 41,124.92 and 9,889.84

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Solution

The fourth proportional to 27,422.28, 41,124.92 and 9,889.84 is: 14,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,422.28 : 41,124.92 = 9,889.84 : x
  2. Step 2: Convert to fraction form
    27,422.28/41,124.92 = 9,889.84/x
  3. Step 3: Cross multiply
    27,422.28x = 41,124.92 × 9,889.84
  4. Step 4: Simplify right side
    27,422.28x = 406,718,878.81
  5. Step 5: Solve for x
    x = 406,718,878.81/27,422.28
  6. Step 6: Final answer
    x = 14,831.69

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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.