Home / 21,256.80-31,897.52-10,727.64

Finding the Fourth Proportional to 21,256.80, 31,897.52 and 10,727.64

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Solution

The fourth proportional to 21,256.80, 31,897.52 and 10,727.64 is: 16,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,256.80 : 31,897.52 = 10,727.64 : x
  2. Step 2: Convert to fraction form
    21,256.80/31,897.52 = 10,727.64/x
  3. Step 3: Cross multiply
    21,256.80x = 31,897.52 × 10,727.64
  4. Step 4: Simplify right side
    21,256.80x = 342,185,067.87
  5. Step 5: Solve for x
    x = 342,185,067.87/21,256.80
  6. Step 6: Final answer
    x = 16,097.68

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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.