Home / 28,932.72-39,927.90-16,185.48

Finding the Fourth Proportional to 28,932.72, 39,927.90 and 16,185.48

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Solution

The fourth proportional to 28,932.72, 39,927.90 and 16,185.48 is: 22,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.72 : 39,927.90 = 16,185.48 : x
  2. Step 2: Convert to fraction form
    28,932.72/39,927.90 = 16,185.48/x
  3. Step 3: Cross multiply
    28,932.72x = 39,927.90 × 16,185.48
  4. Step 4: Simplify right side
    28,932.72x = 646,252,226.89
  5. Step 5: Solve for x
    x = 646,252,226.89/28,932.72
  6. Step 6: Final answer
    x = 22,336.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.