Home / 27,221.72-37,564.29-15,285.56

Finding the Fourth Proportional to 27,221.72, 37,564.29 and 15,285.56

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Solution

The fourth proportional to 27,221.72, 37,564.29 and 15,285.56 is: 21,093.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.72 : 37,564.29 = 15,285.56 : x
  2. Step 2: Convert to fraction form
    27,221.72/37,564.29 = 15,285.56/x
  3. Step 3: Cross multiply
    27,221.72x = 37,564.29 × 15,285.56
  4. Step 4: Simplify right side
    27,221.72x = 574,191,020.83
  5. Step 5: Solve for x
    x = 574,191,020.83/27,221.72
  6. Step 6: Final answer
    x = 21,093.12

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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.