Home / 27,291.88-37,663.14-15,355.24

Finding the Fourth Proportional to 27,291.88, 37,663.14 and 15,355.24

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Solution

The fourth proportional to 27,291.88, 37,663.14 and 15,355.24 is: 21,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,291.88 : 37,663.14 = 15,355.24 : x
  2. Step 2: Convert to fraction form
    27,291.88/37,663.14 = 15,355.24/x
  3. Step 3: Cross multiply
    27,291.88x = 37,663.14 × 15,355.24
  4. Step 4: Simplify right side
    27,291.88x = 578,326,553.85
  5. Step 5: Solve for x
    x = 578,326,553.85/27,291.88
  6. Step 6: Final answer
    x = 21,190.43

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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.