Home / 20,744.70-28,605.04-14,018.66

Finding the Fourth Proportional to 20,744.70, 28,605.04 and 14,018.66

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Solution

The fourth proportional to 20,744.70, 28,605.04 and 14,018.66 is: 19,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.70 : 28,605.04 = 14,018.66 : x
  2. Step 2: Convert to fraction form
    20,744.70/28,605.04 = 14,018.66/x
  3. Step 3: Cross multiply
    20,744.70x = 28,605.04 × 14,018.66
  4. Step 4: Simplify right side
    20,744.70x = 401,004,330.05
  5. Step 5: Solve for x
    x = 401,004,330.05/20,744.70
  6. Step 6: Final answer
    x = 19,330.45

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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.