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Finding the Fourth Proportional to 23,810.02, 35,720.02 and 9,018.61

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Solution

The fourth proportional to 23,810.02, 35,720.02 and 9,018.61 is: 13,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,810.02 : 35,720.02 = 9,018.61 : x
  2. Step 2: Convert to fraction form
    23,810.02/35,720.02 = 9,018.61/x
  3. Step 3: Cross multiply
    23,810.02x = 35,720.02 × 9,018.61
  4. Step 4: Simplify right side
    23,810.02x = 322,144,952.12
  5. Step 5: Solve for x
    x = 322,144,952.12/23,810.02
  6. Step 6: Final answer
    x = 13,529.81

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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.