Home / 27,288.80-37,658.14-15,352.14

Finding the Fourth Proportional to 27,288.80, 37,658.14 and 15,352.14

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Solution

The fourth proportional to 27,288.80, 37,658.14 and 15,352.14 is: 21,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.80 : 37,658.14 = 15,352.14 : x
  2. Step 2: Convert to fraction form
    27,288.80/37,658.14 = 15,352.14/x
  3. Step 3: Cross multiply
    27,288.80x = 37,658.14 × 15,352.14
  4. Step 4: Simplify right side
    27,288.80x = 578,133,037.42
  5. Step 5: Solve for x
    x = 578,133,037.42/27,288.80
  6. Step 6: Final answer
    x = 21,185.73

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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.