Home / 27,513.29-37,883.32-21,487.87

Finding the Fourth Proportional to 27,513.29, 37,883.32 and 21,487.87

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Solution

The fourth proportional to 27,513.29, 37,883.32 and 21,487.87 is: 29,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,513.29 : 37,883.32 = 21,487.87 : x
  2. Step 2: Convert to fraction form
    27,513.29/37,883.32 = 21,487.87/x
  3. Step 3: Cross multiply
    27,513.29x = 37,883.32 × 21,487.87
  4. Step 4: Simplify right side
    27,513.29x = 814,031,855.33
  5. Step 5: Solve for x
    x = 814,031,855.33/27,513.29
  6. Step 6: Final answer
    x = 29,586.86

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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.