Home / 28,693.28-39,596.88-16,118

Finding the Fourth Proportional to 28,693.28, 39,596.88 and 16,118

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Solution

The fourth proportional to 28,693.28, 39,596.88 and 16,118 is: 22,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.28 : 39,596.88 = 16,118 : x
  2. Step 2: Convert to fraction form
    28,693.28/39,596.88 = 16,118/x
  3. Step 3: Cross multiply
    28,693.28x = 39,596.88 × 16,118
  4. Step 4: Simplify right side
    28,693.28x = 638,222,511.84
  5. Step 5: Solve for x
    x = 638,222,511.84/28,693.28
  6. Step 6: Final answer
    x = 22,242.93

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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.