Home / 28,842.47-39,791.96-16,901.45

Finding the Fourth Proportional to 28,842.47, 39,791.96 and 16,901.45

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Solution

The fourth proportional to 28,842.47, 39,791.96 and 16,901.45 is: 23,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.47 : 39,791.96 = 16,901.45 : x
  2. Step 2: Convert to fraction form
    28,842.47/39,791.96 = 16,901.45/x
  3. Step 3: Cross multiply
    28,842.47x = 39,791.96 × 16,901.45
  4. Step 4: Simplify right side
    28,842.47x = 672,541,538.87
  5. Step 5: Solve for x
    x = 672,541,538.87/28,842.47
  6. Step 6: Final answer
    x = 23,317.76

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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.