Home / 27,516.72-37,972.33-15,581.19

Finding the Fourth Proportional to 27,516.72, 37,972.33 and 15,581.19

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Solution

The fourth proportional to 27,516.72, 37,972.33 and 15,581.19 is: 21,501.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,516.72 : 37,972.33 = 15,581.19 : x
  2. Step 2: Convert to fraction form
    27,516.72/37,972.33 = 15,581.19/x
  3. Step 3: Cross multiply
    27,516.72x = 37,972.33 × 15,581.19
  4. Step 4: Simplify right side
    27,516.72x = 591,654,088.47
  5. Step 5: Solve for x
    x = 591,654,088.47/27,516.72
  6. Step 6: Final answer
    x = 21,501.62

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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.