Home / 21,570.60-29,697.96-16,784.73

Finding the Fourth Proportional to 21,570.60, 29,697.96 and 16,784.73

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Solution

The fourth proportional to 21,570.60, 29,697.96 and 16,784.73 is: 23,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,570.60 : 29,697.96 = 16,784.73 : x
  2. Step 2: Convert to fraction form
    21,570.60/29,697.96 = 16,784.73/x
  3. Step 3: Cross multiply
    21,570.60x = 29,697.96 × 16,784.73
  4. Step 4: Simplify right side
    21,570.60x = 498,472,240.15
  5. Step 5: Solve for x
    x = 498,472,240.15/21,570.60
  6. Step 6: Final answer
    x = 23,108.87

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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.