Home / 38,568.28-57,851.32-12,274.60

Finding the Fourth Proportional to 38,568.28, 57,851.32 and 12,274.60

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Solution

The fourth proportional to 38,568.28, 57,851.32 and 12,274.60 is: 18,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568.28 : 57,851.32 = 12,274.60 : x
  2. Step 2: Convert to fraction form
    38,568.28/57,851.32 = 12,274.60/x
  3. Step 3: Cross multiply
    38,568.28x = 57,851.32 × 12,274.60
  4. Step 4: Simplify right side
    38,568.28x = 710,101,812.47
  5. Step 5: Solve for x
    x = 710,101,812.47/38,568.28
  6. Step 6: Final answer
    x = 18,411.55

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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.