Home / 28,751.49-39,677.58-16,005.51

Finding the Fourth Proportional to 28,751.49, 39,677.58 and 16,005.51

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Solution

The fourth proportional to 28,751.49, 39,677.58 and 16,005.51 is: 22,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751.49 : 39,677.58 = 16,005.51 : x
  2. Step 2: Convert to fraction form
    28,751.49/39,677.58 = 16,005.51/x
  3. Step 3: Cross multiply
    28,751.49x = 39,677.58 × 16,005.51
  4. Step 4: Simplify right side
    28,751.49x = 635,059,903.47
  5. Step 5: Solve for x
    x = 635,059,903.47/28,751.49
  6. Step 6: Final answer
    x = 22,087.90

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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.