Home / 27,160.90-40,803.72-19,174.02

Finding the Fourth Proportional to 27,160.90, 40,803.72 and 19,174.02

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Solution

The fourth proportional to 27,160.90, 40,803.72 and 19,174.02 is: 28,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,160.90 : 40,803.72 = 19,174.02 : x
  2. Step 2: Convert to fraction form
    27,160.90/40,803.72 = 19,174.02/x
  3. Step 3: Cross multiply
    27,160.90x = 40,803.72 × 19,174.02
  4. Step 4: Simplify right side
    27,160.90x = 782,371,343.35
  5. Step 5: Solve for x
    x = 782,371,343.35/27,160.90
  6. Step 6: Final answer
    x = 28,805.06

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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.