Home / 28,948.12-39,950.17-16,201.05

Finding the Fourth Proportional to 28,948.12, 39,950.17 and 16,201.05

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Solution

The fourth proportional to 28,948.12, 39,950.17 and 16,201.05 is: 22,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.12 : 39,950.17 = 16,201.05 : x
  2. Step 2: Convert to fraction form
    28,948.12/39,950.17 = 16,201.05/x
  3. Step 3: Cross multiply
    28,948.12x = 39,950.17 × 16,201.05
  4. Step 4: Simplify right side
    28,948.12x = 647,234,602.49
  5. Step 5: Solve for x
    x = 647,234,602.49/28,948.12
  6. Step 6: Final answer
    x = 22,358.43

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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.