Home / 27,291.31-37,658.64-17,215.96

Finding the Fourth Proportional to 27,291.31, 37,658.64 and 17,215.96

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Solution

The fourth proportional to 27,291.31, 37,658.64 and 17,215.96 is: 23,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,291.31 : 37,658.64 = 17,215.96 : x
  2. Step 2: Convert to fraction form
    27,291.31/37,658.64 = 17,215.96/x
  3. Step 3: Cross multiply
    27,291.31x = 37,658.64 × 17,215.96
  4. Step 4: Simplify right side
    27,291.31x = 648,329,639.89
  5. Step 5: Solve for x
    x = 648,329,639.89/27,291.31
  6. Step 6: Final answer
    x = 23,755.90

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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.