Home / 20,021.76-30,167.78-16,588.17

Finding the Fourth Proportional to 20,021.76, 30,167.78 and 16,588.17

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Solution

The fourth proportional to 20,021.76, 30,167.78 and 16,588.17 is: 24,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.76 : 30,167.78 = 16,588.17 : x
  2. Step 2: Convert to fraction form
    20,021.76/30,167.78 = 16,588.17/x
  3. Step 3: Cross multiply
    20,021.76x = 30,167.78 × 16,588.17
  4. Step 4: Simplify right side
    20,021.76x = 500,428,180.22
  5. Step 5: Solve for x
    x = 500,428,180.22/20,021.76
  6. Step 6: Final answer
    x = 24,994.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.