Home / 27,208.78-37,545.52-15,269.38

Finding the Fourth Proportional to 27,208.78, 37,545.52 and 15,269.38

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Solution

The fourth proportional to 27,208.78, 37,545.52 and 15,269.38 is: 21,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,208.78 : 37,545.52 = 15,269.38 : x
  2. Step 2: Convert to fraction form
    27,208.78/37,545.52 = 15,269.38/x
  3. Step 3: Cross multiply
    27,208.78x = 37,545.52 × 15,269.38
  4. Step 4: Simplify right side
    27,208.78x = 573,296,586.28
  5. Step 5: Solve for x
    x = 573,296,586.28/27,208.78
  6. Step 6: Final answer
    x = 21,070.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.