Home / 31,717.70-43,728.93-27,289.02

Finding the Fourth Proportional to 31,717.70, 43,728.93 and 27,289.02

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Solution

The fourth proportional to 31,717.70, 43,728.93 and 27,289.02 is: 37,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,717.70 : 43,728.93 = 27,289.02 : x
  2. Step 2: Convert to fraction form
    31,717.70/43,728.93 = 27,289.02/x
  3. Step 3: Cross multiply
    31,717.70x = 43,728.93 × 27,289.02
  4. Step 4: Simplify right side
    31,717.70x = 1,193,319,645.35
  5. Step 5: Solve for x
    x = 1,193,319,645.35/31,717.70
  6. Step 6: Final answer
    x = 37,623.15

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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.