Home / 28,796.80-39,742.82-16,051.15

Finding the Fourth Proportional to 28,796.80, 39,742.82 and 16,051.15

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Solution

The fourth proportional to 28,796.80, 39,742.82 and 16,051.15 is: 22,152.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.80 : 39,742.82 = 16,051.15 : x
  2. Step 2: Convert to fraction form
    28,796.80/39,742.82 = 16,051.15/x
  3. Step 3: Cross multiply
    28,796.80x = 39,742.82 × 16,051.15
  4. Step 4: Simplify right side
    28,796.80x = 637,917,965.24
  5. Step 5: Solve for x
    x = 637,917,965.24/28,796.80
  6. Step 6: Final answer
    x = 22,152.39

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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.