Home / 28,822.88-39,776.18-16,247.63

Finding the Fourth Proportional to 28,822.88, 39,776.18 and 16,247.63

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Solution

The fourth proportional to 28,822.88, 39,776.18 and 16,247.63 is: 22,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.88 : 39,776.18 = 16,247.63 : x
  2. Step 2: Convert to fraction form
    28,822.88/39,776.18 = 16,247.63/x
  3. Step 3: Cross multiply
    28,822.88x = 39,776.18 × 16,247.63
  4. Step 4: Simplify right side
    28,822.88x = 646,268,375.33
  5. Step 5: Solve for x
    x = 646,268,375.33/28,822.88
  6. Step 6: Final answer
    x = 22,422.06

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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.