Home / 17,864.79-26,788.50-5,382.48

Finding the Fourth Proportional to 17,864.79, 26,788.50 and 5,382.48

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Solution

The fourth proportional to 17,864.79, 26,788.50 and 5,382.48 is: 8,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,864.79 : 26,788.50 = 5,382.48 : x
  2. Step 2: Convert to fraction form
    17,864.79/26,788.50 = 5,382.48/x
  3. Step 3: Cross multiply
    17,864.79x = 26,788.50 × 5,382.48
  4. Step 4: Simplify right side
    17,864.79x = 144,188,565.48
  5. Step 5: Solve for x
    x = 144,188,565.48/17,864.79
  6. Step 6: Final answer
    x = 8,071.10

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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.