Home / 27,026.10-40,545.90-19,144.02

Finding the Fourth Proportional to 27,026.10, 40,545.90 and 19,144.02

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Solution

The fourth proportional to 27,026.10, 40,545.90 and 19,144.02 is: 28,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,026.10 : 40,545.90 = 19,144.02 : x
  2. Step 2: Convert to fraction form
    27,026.10/40,545.90 = 19,144.02/x
  3. Step 3: Cross multiply
    27,026.10x = 40,545.90 × 19,144.02
  4. Step 4: Simplify right side
    27,026.10x = 776,211,520.52
  5. Step 5: Solve for x
    x = 776,211,520.52/27,026.10
  6. Step 6: Final answer
    x = 28,720.81

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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.