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Finding the Fourth Proportional to 26,018.16, 39,018 and 9,373.72

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Solution

The fourth proportional to 26,018.16, 39,018 and 9,373.72 is: 14,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,018.16 : 39,018 = 9,373.72 : x
  2. Step 2: Convert to fraction form
    26,018.16/39,018 = 9,373.72/x
  3. Step 3: Cross multiply
    26,018.16x = 39,018 × 9,373.72
  4. Step 4: Simplify right side
    26,018.16x = 365,743,806.96
  5. Step 5: Solve for x
    x = 365,743,806.96/26,018.16
  6. Step 6: Final answer
    x = 14,057.25

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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.