Home / 21,379.98-32,075.19-15,067.17

Finding the Fourth Proportional to 21,379.98, 32,075.19 and 15,067.17

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Solution

The fourth proportional to 21,379.98, 32,075.19 and 15,067.17 is: 22,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,379.98 : 32,075.19 = 15,067.17 : x
  2. Step 2: Convert to fraction form
    21,379.98/32,075.19 = 15,067.17/x
  3. Step 3: Cross multiply
    21,379.98x = 32,075.19 × 15,067.17
  4. Step 4: Simplify right side
    21,379.98x = 483,282,298.14
  5. Step 5: Solve for x
    x = 483,282,298.14/21,379.98
  6. Step 6: Final answer
    x = 22,604.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.