Home / 22,784.29-31,485.78-16,431.73

Finding the Fourth Proportional to 22,784.29, 31,485.78 and 16,431.73

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Solution

The fourth proportional to 22,784.29, 31,485.78 and 16,431.73 is: 22,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,784.29 : 31,485.78 = 16,431.73 : x
  2. Step 2: Convert to fraction form
    22,784.29/31,485.78 = 16,431.73/x
  3. Step 3: Cross multiply
    22,784.29x = 31,485.78 × 16,431.73
  4. Step 4: Simplify right side
    22,784.29x = 517,365,757.08
  5. Step 5: Solve for x
    x = 517,365,757.08/22,784.29
  6. Step 6: Final answer
    x = 22,707.13

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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.