Home / 26,988.43-40,487.25-9,218.11

Finding the Fourth Proportional to 26,988.43, 40,487.25 and 9,218.11

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Solution

The fourth proportional to 26,988.43, 40,487.25 and 9,218.11 is: 13,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.43 : 40,487.25 = 9,218.11 : x
  2. Step 2: Convert to fraction form
    26,988.43/40,487.25 = 9,218.11/x
  3. Step 3: Cross multiply
    26,988.43x = 40,487.25 × 9,218.11
  4. Step 4: Simplify right side
    26,988.43x = 373,215,916.08
  5. Step 5: Solve for x
    x = 373,215,916.08/26,988.43
  6. Step 6: Final answer
    x = 13,828.74

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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.