Home / 21,022.56-31,484.64-16,610.40

Finding the Fourth Proportional to 21,022.56, 31,484.64 and 16,610.40

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Solution

The fourth proportional to 21,022.56, 31,484.64 and 16,610.40 is: 24,876.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022.56 : 31,484.64 = 16,610.40 : x
  2. Step 2: Convert to fraction form
    21,022.56/31,484.64 = 16,610.40/x
  3. Step 3: Cross multiply
    21,022.56x = 31,484.64 × 16,610.40
  4. Step 4: Simplify right side
    21,022.56x = 522,972,464.26
  5. Step 5: Solve for x
    x = 522,972,464.26/21,022.56
  6. Step 6: Final answer
    x = 24,876.73

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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.