Home / 28,668.68-39,558.48-16,091

Finding the Fourth Proportional to 28,668.68, 39,558.48 and 16,091

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Solution

The fourth proportional to 28,668.68, 39,558.48 and 16,091 is: 22,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,668.68 : 39,558.48 = 16,091 : x
  2. Step 2: Convert to fraction form
    28,668.68/39,558.48 = 16,091/x
  3. Step 3: Cross multiply
    28,668.68x = 39,558.48 × 16,091
  4. Step 4: Simplify right side
    28,668.68x = 636,535,501.68
  5. Step 5: Solve for x
    x = 636,535,501.68/28,668.68
  6. Step 6: Final answer
    x = 22,203.17

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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.