Home / 27,668.34-38,181.88-15,567.90

Finding the Fourth Proportional to 27,668.34, 38,181.88 and 15,567.90

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Solution

The fourth proportional to 27,668.34, 38,181.88 and 15,567.90 is: 21,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,668.34 : 38,181.88 = 15,567.90 : x
  2. Step 2: Convert to fraction form
    27,668.34/38,181.88 = 15,567.90/x
  3. Step 3: Cross multiply
    27,668.34x = 38,181.88 × 15,567.90
  4. Step 4: Simplify right side
    27,668.34x = 594,411,689.65
  5. Step 5: Solve for x
    x = 594,411,689.65/27,668.34
  6. Step 6: Final answer
    x = 21,483.46

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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.