Home / 21,727.67-29,984.60-14,178.83

Finding the Fourth Proportional to 21,727.67, 29,984.60 and 14,178.83

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Solution

The fourth proportional to 21,727.67, 29,984.60 and 14,178.83 is: 19,567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727.67 : 29,984.60 = 14,178.83 : x
  2. Step 2: Convert to fraction form
    21,727.67/29,984.60 = 14,178.83/x
  3. Step 3: Cross multiply
    21,727.67x = 29,984.60 × 14,178.83
  4. Step 4: Simplify right side
    21,727.67x = 425,146,431.54
  5. Step 5: Solve for x
    x = 425,146,431.54/21,727.67
  6. Step 6: Final answer
    x = 19,567.06

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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.