Home / 17,717.50-26,446.64-15,615.68

Finding the Fourth Proportional to 17,717.50, 26,446.64 and 15,615.68

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Solution

The fourth proportional to 17,717.50, 26,446.64 and 15,615.68 is: 23,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.50 : 26,446.64 = 15,615.68 : x
  2. Step 2: Convert to fraction form
    17,717.50/26,446.64 = 15,615.68/x
  3. Step 3: Cross multiply
    17,717.50x = 26,446.64 × 15,615.68
  4. Step 4: Simplify right side
    17,717.50x = 412,982,273.30
  5. Step 5: Solve for x
    x = 412,982,273.30/17,717.50
  6. Step 6: Final answer
    x = 23,309.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.