Home / 17,988.82-26,979.96-4,838.12

Finding the Fourth Proportional to 17,988.82, 26,979.96 and 4,838.12

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Solution

The fourth proportional to 17,988.82, 26,979.96 and 4,838.12 is: 7,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.82 : 26,979.96 = 4,838.12 : x
  2. Step 2: Convert to fraction form
    17,988.82/26,979.96 = 4,838.12/x
  3. Step 3: Cross multiply
    17,988.82x = 26,979.96 × 4,838.12
  4. Step 4: Simplify right side
    17,988.82x = 130,532,284.08
  5. Step 5: Solve for x
    x = 130,532,284.08/17,988.82
  6. Step 6: Final answer
    x = 7,256.30

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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.