Home / 28,872.16-39,843.28-16,297.44

Finding the Fourth Proportional to 28,872.16, 39,843.28 and 16,297.44

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Solution

The fourth proportional to 28,872.16, 39,843.28 and 16,297.44 is: 22,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.16 : 39,843.28 = 16,297.44 : x
  2. Step 2: Convert to fraction form
    28,872.16/39,843.28 = 16,297.44/x
  3. Step 3: Cross multiply
    28,872.16x = 39,843.28 × 16,297.44
  4. Step 4: Simplify right side
    28,872.16x = 649,343,465.20
  5. Step 5: Solve for x
    x = 649,343,465.20/28,872.16
  6. Step 6: Final answer
    x = 22,490.30

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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.