Home / 27,376.11-37,778.81-15,441.57

Finding the Fourth Proportional to 27,376.11, 37,778.81 and 15,441.57

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Solution

The fourth proportional to 27,376.11, 37,778.81 and 15,441.57 is: 21,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.11 : 37,778.81 = 15,441.57 : x
  2. Step 2: Convert to fraction form
    27,376.11/37,778.81 = 15,441.57/x
  3. Step 3: Cross multiply
    27,376.11x = 37,778.81 × 15,441.57
  4. Step 4: Simplify right side
    27,376.11x = 583,364,061.92
  5. Step 5: Solve for x
    x = 583,364,061.92/27,376.11
  6. Step 6: Final answer
    x = 21,309.24

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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.