Home / 20,744.95-28,605.39-14,018.91

Finding the Fourth Proportional to 20,744.95, 28,605.39 and 14,018.91

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Solution

The fourth proportional to 20,744.95, 28,605.39 and 14,018.91 is: 19,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.95 : 28,605.39 = 14,018.91 : x
  2. Step 2: Convert to fraction form
    20,744.95/28,605.39 = 14,018.91/x
  3. Step 3: Cross multiply
    20,744.95x = 28,605.39 × 14,018.91
  4. Step 4: Simplify right side
    20,744.95x = 401,016,317.83
  5. Step 5: Solve for x
    x = 401,016,317.83/20,744.95
  6. Step 6: Final answer
    x = 19,330.79

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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.