Home / 28,553.78-39,397.56-16,610.33

Finding the Fourth Proportional to 28,553.78, 39,397.56 and 16,610.33

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Solution

The fourth proportional to 28,553.78, 39,397.56 and 16,610.33 is: 22,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553.78 : 39,397.56 = 16,610.33 : x
  2. Step 2: Convert to fraction form
    28,553.78/39,397.56 = 16,610.33/x
  3. Step 3: Cross multiply
    28,553.78x = 39,397.56 × 16,610.33
  4. Step 4: Simplify right side
    28,553.78x = 654,406,275.81
  5. Step 5: Solve for x
    x = 654,406,275.81/28,553.78
  6. Step 6: Final answer
    x = 22,918.38

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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.