Home / 27,691.34-38,214.08-17,087.12

Finding the Fourth Proportional to 27,691.34, 38,214.08 and 17,087.12

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Solution

The fourth proportional to 27,691.34, 38,214.08 and 17,087.12 is: 23,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,691.34 : 38,214.08 = 17,087.12 : x
  2. Step 2: Convert to fraction form
    27,691.34/38,214.08 = 17,087.12/x
  3. Step 3: Cross multiply
    27,691.34x = 38,214.08 × 17,087.12
  4. Step 4: Simplify right side
    27,691.34x = 652,968,570.65
  5. Step 5: Solve for x
    x = 652,968,570.65/27,691.34
  6. Step 6: Final answer
    x = 23,580.24

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1.5x scale

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.