Home / 28,176.70-38,877.45-16,844.32

Finding the Fourth Proportional to 28,176.70, 38,877.45 and 16,844.32

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Solution

The fourth proportional to 28,176.70, 38,877.45 and 16,844.32 is: 23,241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.70 : 38,877.45 = 16,844.32 : x
  2. Step 2: Convert to fraction form
    28,176.70/38,877.45 = 16,844.32/x
  3. Step 3: Cross multiply
    28,176.70x = 38,877.45 × 16,844.32
  4. Step 4: Simplify right side
    28,176.70x = 654,864,208.58
  5. Step 5: Solve for x
    x = 654,864,208.58/28,176.70
  6. Step 6: Final answer
    x = 23,241.34

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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.