Home / 21,578.08-32,325.66-13,233.77

Finding the Fourth Proportional to 21,578.08, 32,325.66 and 13,233.77

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Solution

The fourth proportional to 21,578.08, 32,325.66 and 13,233.77 is: 19,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,578.08 : 32,325.66 = 13,233.77 : x
  2. Step 2: Convert to fraction form
    21,578.08/32,325.66 = 13,233.77/x
  3. Step 3: Cross multiply
    21,578.08x = 32,325.66 × 13,233.77
  4. Step 4: Simplify right side
    21,578.08x = 427,790,349.54
  5. Step 5: Solve for x
    x = 427,790,349.54/21,578.08
  6. Step 6: Final answer
    x = 19,825.23

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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.