Home / 21,745.52-32,613.79-13,737.86

Finding the Fourth Proportional to 21,745.52, 32,613.79 and 13,737.86

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Solution

The fourth proportional to 21,745.52, 32,613.79 and 13,737.86 is: 20,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.52 : 32,613.79 = 13,737.86 : x
  2. Step 2: Convert to fraction form
    21,745.52/32,613.79 = 13,737.86/x
  3. Step 3: Cross multiply
    21,745.52x = 32,613.79 × 13,737.86
  4. Step 4: Simplify right side
    21,745.52x = 448,043,681.09
  5. Step 5: Solve for x
    x = 448,043,681.09/21,745.52
  6. Step 6: Final answer
    x = 20,603.95

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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.