Home / 26,608.47-39,918.96-9,078.36

Finding the Fourth Proportional to 26,608.47, 39,918.96 and 9,078.36

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Solution

The fourth proportional to 26,608.47, 39,918.96 and 9,078.36 is: 13,619.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608.47 : 39,918.96 = 9,078.36 : x
  2. Step 2: Convert to fraction form
    26,608.47/39,918.96 = 9,078.36/x
  3. Step 3: Cross multiply
    26,608.47x = 39,918.96 × 9,078.36
  4. Step 4: Simplify right side
    26,608.47x = 362,398,689.71
  5. Step 5: Solve for x
    x = 362,398,689.71/26,608.47
  6. Step 6: Final answer
    x = 13,619.67

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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.