Home / 38,863.58-58,281.08-13,896.86

Finding the Fourth Proportional to 38,863.58, 58,281.08 and 13,896.86

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Solution

The fourth proportional to 38,863.58, 58,281.08 and 13,896.86 is: 20,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,863.58 : 58,281.08 = 13,896.86 : x
  2. Step 2: Convert to fraction form
    38,863.58/58,281.08 = 13,896.86/x
  3. Step 3: Cross multiply
    38,863.58x = 58,281.08 × 13,896.86
  4. Step 4: Simplify right side
    38,863.58x = 809,923,648.52
  5. Step 5: Solve for x
    x = 809,923,648.52/38,863.58
  6. Step 6: Final answer
    x = 20,840.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.