Home / 38,428.71-57,660.88-16,247.26

Finding the Fourth Proportional to 38,428.71, 57,660.88 and 16,247.26

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Solution

The fourth proportional to 38,428.71, 57,660.88 and 16,247.26 is: 24,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428.71 : 57,660.88 = 16,247.26 : x
  2. Step 2: Convert to fraction form
    38,428.71/57,660.88 = 16,247.26/x
  3. Step 3: Cross multiply
    38,428.71x = 57,660.88 × 16,247.26
  4. Step 4: Simplify right side
    38,428.71x = 936,831,309.19
  5. Step 5: Solve for x
    x = 936,831,309.19/38,428.71
  6. Step 6: Final answer
    x = 24,378.42

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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.