Home / 27,545.49-37,971.45-21,566.78

Finding the Fourth Proportional to 27,545.49, 37,971.45 and 21,566.78

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Solution

The fourth proportional to 27,545.49, 37,971.45 and 21,566.78 is: 29,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,545.49 : 37,971.45 = 21,566.78 : x
  2. Step 2: Convert to fraction form
    27,545.49/37,971.45 = 21,566.78/x
  3. Step 3: Cross multiply
    27,545.49x = 37,971.45 × 21,566.78
  4. Step 4: Simplify right side
    27,545.49x = 818,921,876.78
  5. Step 5: Solve for x
    x = 818,921,876.78/27,545.49
  6. Step 6: Final answer
    x = 29,729.80

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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.