Home / 21,589.07-32,325.96-12,696.98

Finding the Fourth Proportional to 21,589.07, 32,325.96 and 12,696.98

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Solution

The fourth proportional to 21,589.07, 32,325.96 and 12,696.98 is: 19,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.07 : 32,325.96 = 12,696.98 : x
  2. Step 2: Convert to fraction form
    21,589.07/32,325.96 = 12,696.98/x
  3. Step 3: Cross multiply
    21,589.07x = 32,325.96 × 12,696.98
  4. Step 4: Simplify right side
    21,589.07x = 410,442,067.60
  5. Step 5: Solve for x
    x = 410,442,067.60/21,589.07
  6. Step 6: Final answer
    x = 19,011.57

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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.