Home / 27,326.86-37,710.42-15,390.24

Finding the Fourth Proportional to 27,326.86, 37,710.42 and 15,390.24

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Solution

The fourth proportional to 27,326.86, 37,710.42 and 15,390.24 is: 21,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,326.86 : 37,710.42 = 15,390.24 : x
  2. Step 2: Convert to fraction form
    27,326.86/37,710.42 = 15,390.24/x
  3. Step 3: Cross multiply
    27,326.86x = 37,710.42 × 15,390.24
  4. Step 4: Simplify right side
    27,326.86x = 580,372,414.30
  5. Step 5: Solve for x
    x = 580,372,414.30/27,326.86
  6. Step 6: Final answer
    x = 21,238.17

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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.