Home / 28,677.14-39,573.87-16,101.89

Finding the Fourth Proportional to 28,677.14, 39,573.87 and 16,101.89

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Solution

The fourth proportional to 28,677.14, 39,573.87 and 16,101.89 is: 22,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.14 : 39,573.87 = 16,101.89 : x
  2. Step 2: Convert to fraction form
    28,677.14/39,573.87 = 16,101.89/x
  3. Step 3: Cross multiply
    28,677.14x = 39,573.87 × 16,101.89
  4. Step 4: Simplify right side
    28,677.14x = 637,214,101.61
  5. Step 5: Solve for x
    x = 637,214,101.61/28,677.14
  6. Step 6: Final answer
    x = 22,220.28

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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.