Home / 28,896.73-39,880.35-16,959.81

Finding the Fourth Proportional to 28,896.73, 39,880.35 and 16,959.81

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Solution

The fourth proportional to 28,896.73, 39,880.35 and 16,959.81 is: 23,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.73 : 39,880.35 = 16,959.81 : x
  2. Step 2: Convert to fraction form
    28,896.73/39,880.35 = 16,959.81/x
  3. Step 3: Cross multiply
    28,896.73x = 39,880.35 × 16,959.81
  4. Step 4: Simplify right side
    28,896.73x = 676,363,158.73
  5. Step 5: Solve for x
    x = 676,363,158.73/28,896.73
  6. Step 6: Final answer
    x = 23,406.22

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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.