Home / 38,571.48-57,863.70-12,284.28

Finding the Fourth Proportional to 38,571.48, 57,863.70 and 12,284.28

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Solution

The fourth proportional to 38,571.48, 57,863.70 and 12,284.28 is: 18,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.48 : 57,863.70 = 12,284.28 : x
  2. Step 2: Convert to fraction form
    38,571.48/57,863.70 = 12,284.28/x
  3. Step 3: Cross multiply
    38,571.48x = 57,863.70 × 12,284.28
  4. Step 4: Simplify right side
    38,571.48x = 710,813,892.64
  5. Step 5: Solve for x
    x = 710,813,892.64/38,571.48
  6. Step 6: Final answer
    x = 18,428.48

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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.