Home / 27,253.94-37,611.18-15,318.36

Finding the Fourth Proportional to 27,253.94, 37,611.18 and 15,318.36

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Solution

The fourth proportional to 27,253.94, 37,611.18 and 15,318.36 is: 21,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,253.94 : 37,611.18 = 15,318.36 : x
  2. Step 2: Convert to fraction form
    27,253.94/37,611.18 = 15,318.36/x
  3. Step 3: Cross multiply
    27,253.94x = 37,611.18 × 15,318.36
  4. Step 4: Simplify right side
    27,253.94x = 576,141,595.26
  5. Step 5: Solve for x
    x = 576,141,595.26/27,253.94
  6. Step 6: Final answer
    x = 21,139.76

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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.