Home / 21,717.42-29,951.54-16,693.80

Finding the Fourth Proportional to 21,717.42, 29,951.54 and 16,693.80

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Solution

The fourth proportional to 21,717.42, 29,951.54 and 16,693.80 is: 23,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717.42 : 29,951.54 = 16,693.80 : x
  2. Step 2: Convert to fraction form
    21,717.42/29,951.54 = 16,693.80/x
  3. Step 3: Cross multiply
    21,717.42x = 29,951.54 × 16,693.80
  4. Step 4: Simplify right side
    21,717.42x = 500,005,018.45
  5. Step 5: Solve for x
    x = 500,005,018.45/21,717.42
  6. Step 6: Final answer
    x = 23,023.22

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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.