Home / 28,948.73-39,948.80-16,201.69

Finding the Fourth Proportional to 28,948.73, 39,948.80 and 16,201.69

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Solution

The fourth proportional to 28,948.73, 39,948.80 and 16,201.69 is: 22,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.73 : 39,948.80 = 16,201.69 : x
  2. Step 2: Convert to fraction form
    28,948.73/39,948.80 = 16,201.69/x
  3. Step 3: Cross multiply
    28,948.73x = 39,948.80 × 16,201.69
  4. Step 4: Simplify right side
    28,948.73x = 647,237,892.59
  5. Step 5: Solve for x
    x = 647,237,892.59/28,948.73
  6. Step 6: Final answer
    x = 22,358.08

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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.