Home / 28,196.96-38,913.39-16,101.02

Finding the Fourth Proportional to 28,196.96, 38,913.39 and 16,101.02

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Solution

The fourth proportional to 28,196.96, 38,913.39 and 16,101.02 is: 22,220.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.96 : 38,913.39 = 16,101.02 : x
  2. Step 2: Convert to fraction form
    28,196.96/38,913.39 = 16,101.02/x
  3. Step 3: Cross multiply
    28,196.96x = 38,913.39 × 16,101.02
  4. Step 4: Simplify right side
    28,196.96x = 626,545,270.66
  5. Step 5: Solve for x
    x = 626,545,270.66/28,196.96
  6. Step 6: Final answer
    x = 22,220.31

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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.