Home / 19,986.12-27,575.78-14,671.71

Finding the Fourth Proportional to 19,986.12, 27,575.78 and 14,671.71

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Solution

The fourth proportional to 19,986.12, 27,575.78 and 14,671.71 is: 20,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.12 : 27,575.78 = 14,671.71 : x
  2. Step 2: Convert to fraction form
    19,986.12/27,575.78 = 14,671.71/x
  3. Step 3: Cross multiply
    19,986.12x = 27,575.78 × 14,671.71
  4. Step 4: Simplify right side
    19,986.12x = 404,583,773.83
  5. Step 5: Solve for x
    x = 404,583,773.83/19,986.12
  6. Step 6: Final answer
    x = 20,243.24

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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.