Home / 28,910.56-39,897.54-16,336.12

Finding the Fourth Proportional to 28,910.56, 39,897.54 and 16,336.12

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Solution

The fourth proportional to 28,910.56, 39,897.54 and 16,336.12 is: 22,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.56 : 39,897.54 = 16,336.12 : x
  2. Step 2: Convert to fraction form
    28,910.56/39,897.54 = 16,336.12/x
  3. Step 3: Cross multiply
    28,910.56x = 39,897.54 × 16,336.12
  4. Step 4: Simplify right side
    28,910.56x = 651,771,001.14
  5. Step 5: Solve for x
    x = 651,771,001.14/28,910.56
  6. Step 6: Final answer
    x = 22,544.39

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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.