Home / 27,760.94-38,311.07-15,822.35

Finding the Fourth Proportional to 27,760.94, 38,311.07 and 15,822.35

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Solution

The fourth proportional to 27,760.94, 38,311.07 and 15,822.35 is: 21,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760.94 : 38,311.07 = 15,822.35 : x
  2. Step 2: Convert to fraction form
    27,760.94/38,311.07 = 15,822.35/x
  3. Step 3: Cross multiply
    27,760.94x = 38,311.07 × 15,822.35
  4. Step 4: Simplify right side
    27,760.94x = 606,171,158.41
  5. Step 5: Solve for x
    x = 606,171,158.41/27,760.94
  6. Step 6: Final answer
    x = 21,835.40

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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.