Home / 27,668.20-38,184.63-15,731.51

Finding the Fourth Proportional to 27,668.20, 38,184.63 and 15,731.51

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Solution

The fourth proportional to 27,668.20, 38,184.63 and 15,731.51 is: 21,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,668.20 : 38,184.63 = 15,731.51 : x
  2. Step 2: Convert to fraction form
    27,668.20/38,184.63 = 15,731.51/x
  3. Step 3: Cross multiply
    27,668.20x = 38,184.63 × 15,731.51
  4. Step 4: Simplify right side
    27,668.20x = 600,701,888.69
  5. Step 5: Solve for x
    x = 600,701,888.69/27,668.20
  6. Step 6: Final answer
    x = 21,710.92

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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.