Home / 27,326.96-37,711.33-15,390.50

Finding the Fourth Proportional to 27,326.96, 37,711.33 and 15,390.50

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Solution

The fourth proportional to 27,326.96, 37,711.33 and 15,390.50 is: 21,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,326.96 : 37,711.33 = 15,390.50 : x
  2. Step 2: Convert to fraction form
    27,326.96/37,711.33 = 15,390.50/x
  3. Step 3: Cross multiply
    27,326.96x = 37,711.33 × 15,390.50
  4. Step 4: Simplify right side
    27,326.96x = 580,396,224.37
  5. Step 5: Solve for x
    x = 580,396,224.37/27,326.96
  6. Step 6: Final answer
    x = 21,238.96

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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.