Home / 21,761.91-30,048.39-16,718.14

Finding the Fourth Proportional to 21,761.91, 30,048.39 and 16,718.14

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Solution

The fourth proportional to 21,761.91, 30,048.39 and 16,718.14 is: 23,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761.91 : 30,048.39 = 16,718.14 : x
  2. Step 2: Convert to fraction form
    21,761.91/30,048.39 = 16,718.14/x
  3. Step 3: Cross multiply
    21,761.91x = 30,048.39 × 16,718.14
  4. Step 4: Simplify right side
    21,761.91x = 502,353,190.79
  5. Step 5: Solve for x
    x = 502,353,190.79/21,761.91
  6. Step 6: Final answer
    x = 23,084.06

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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.