Home / 17,856.09-26,787.87-5,377.02

Finding the Fourth Proportional to 17,856.09, 26,787.87 and 5,377.02

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Solution

The fourth proportional to 17,856.09, 26,787.87 and 5,377.02 is: 8,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.09 : 26,787.87 = 5,377.02 : x
  2. Step 2: Convert to fraction form
    17,856.09/26,787.87 = 5,377.02/x
  3. Step 3: Cross multiply
    17,856.09x = 26,787.87 × 5,377.02
  4. Step 4: Simplify right side
    17,856.09x = 144,038,912.75
  5. Step 5: Solve for x
    x = 144,038,912.75/17,856.09
  6. Step 6: Final answer
    x = 8,066.65

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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.