Home / 28,934.32-39,929.62-16,187.76

Finding the Fourth Proportional to 28,934.32, 39,929.62 and 16,187.76

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Solution

The fourth proportional to 28,934.32, 39,929.62 and 16,187.76 is: 22,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.32 : 39,929.62 = 16,187.76 : x
  2. Step 2: Convert to fraction form
    28,934.32/39,929.62 = 16,187.76/x
  3. Step 3: Cross multiply
    28,934.32x = 39,929.62 × 16,187.76
  4. Step 4: Simplify right side
    28,934.32x = 646,371,105.45
  5. Step 5: Solve for x
    x = 646,371,105.45/28,934.32
  6. Step 6: Final answer
    x = 22,339.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.