Home / 27,220.50-40,743.18-18,406.89

Finding the Fourth Proportional to 27,220.50, 40,743.18 and 18,406.89

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Solution

The fourth proportional to 27,220.50, 40,743.18 and 18,406.89 is: 27,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.50 : 40,743.18 = 18,406.89 : x
  2. Step 2: Convert to fraction form
    27,220.50/40,743.18 = 18,406.89/x
  3. Step 3: Cross multiply
    27,220.50x = 40,743.18 × 18,406.89
  4. Step 4: Simplify right side
    27,220.50x = 749,955,232.51
  5. Step 5: Solve for x
    x = 749,955,232.51/27,220.50
  6. Step 6: Final answer
    x = 27,551.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.