Home / 28,932.32-39,926.86-16,185.76

Finding the Fourth Proportional to 28,932.32, 39,926.86 and 16,185.76

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Solution

The fourth proportional to 28,932.32, 39,926.86 and 16,185.76 is: 22,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.32 : 39,926.86 = 16,185.76 : x
  2. Step 2: Convert to fraction form
    28,932.32/39,926.86 = 16,185.76/x
  3. Step 3: Cross multiply
    28,932.32x = 39,926.86 × 16,185.76
  4. Step 4: Simplify right side
    28,932.32x = 646,246,433.23
  5. Step 5: Solve for x
    x = 646,246,433.23/28,932.32
  6. Step 6: Final answer
    x = 22,336.49

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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.