Home / 27,006.90-40,439.36-19,066.62

Finding the Fourth Proportional to 27,006.90, 40,439.36 and 19,066.62

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Solution

The fourth proportional to 27,006.90, 40,439.36 and 19,066.62 is: 28,549.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,006.90 : 40,439.36 = 19,066.62 : x
  2. Step 2: Convert to fraction form
    27,006.90/40,439.36 = 19,066.62/x
  3. Step 3: Cross multiply
    27,006.90x = 40,439.36 × 19,066.62
  4. Step 4: Simplify right side
    27,006.90x = 771,041,910.16
  5. Step 5: Solve for x
    x = 771,041,910.16/27,006.90
  6. Step 6: Final answer
    x = 28,549.81

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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.