Home / 28,398.17-39,187.19-16,462.28

Finding the Fourth Proportional to 28,398.17, 39,187.19 and 16,462.28

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Solution

The fourth proportional to 28,398.17, 39,187.19 and 16,462.28 is: 22,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,398.17 : 39,187.19 = 16,462.28 : x
  2. Step 2: Convert to fraction form
    28,398.17/39,187.19 = 16,462.28/x
  3. Step 3: Cross multiply
    28,398.17x = 39,187.19 × 16,462.28
  4. Step 4: Simplify right side
    28,398.17x = 645,110,633.32
  5. Step 5: Solve for x
    x = 645,110,633.32/28,398.17
  6. Step 6: Final answer
    x = 22,716.62

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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.