Home / 26,784.50-40,120.24-21,490.85

Finding the Fourth Proportional to 26,784.50, 40,120.24 and 21,490.85

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Solution

The fourth proportional to 26,784.50, 40,120.24 and 21,490.85 is: 32,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,784.50 : 40,120.24 = 21,490.85 : x
  2. Step 2: Convert to fraction form
    26,784.50/40,120.24 = 21,490.85/x
  3. Step 3: Cross multiply
    26,784.50x = 40,120.24 × 21,490.85
  4. Step 4: Simplify right side
    26,784.50x = 862,218,059.80
  5. Step 5: Solve for x
    x = 862,218,059.80/26,784.50
  6. Step 6: Final answer
    x = 32,190.93

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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.