Home / 28,646.56-39,532.38-16,070.50

Finding the Fourth Proportional to 28,646.56, 39,532.38 and 16,070.50

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Solution

The fourth proportional to 28,646.56, 39,532.38 and 16,070.50 is: 22,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,646.56 : 39,532.38 = 16,070.50 : x
  2. Step 2: Convert to fraction form
    28,646.56/39,532.38 = 16,070.50/x
  3. Step 3: Cross multiply
    28,646.56x = 39,532.38 × 16,070.50
  4. Step 4: Simplify right side
    28,646.56x = 635,305,112.79
  5. Step 5: Solve for x
    x = 635,305,112.79/28,646.56
  6. Step 6: Final answer
    x = 22,177.36

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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.