Home / 28,837.73-39,800.00-16,905.83

Finding the Fourth Proportional to 28,837.73, 39,800.00 and 16,905.83

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Solution

The fourth proportional to 28,837.73, 39,800.00 and 16,905.83 is: 23,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.73 : 39,800.00 = 16,905.83 : x
  2. Step 2: Convert to fraction form
    28,837.73/39,800.00 = 16,905.83/x
  3. Step 3: Cross multiply
    28,837.73x = 39,800.00 × 16,905.83
  4. Step 4: Simplify right side
    28,837.73x = 672,851,877.26
  5. Step 5: Solve for x
    x = 672,851,877.26/28,837.73
  6. Step 6: Final answer
    x = 23,332.34

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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.