Home / 26,747.40-40,106.52-21,236.16

Finding the Fourth Proportional to 26,747.40, 40,106.52 and 21,236.16

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Solution

The fourth proportional to 26,747.40, 40,106.52 and 21,236.16 is: 31,842.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,747.40 : 40,106.52 = 21,236.16 : x
  2. Step 2: Convert to fraction form
    26,747.40/40,106.52 = 21,236.16/x
  3. Step 3: Cross multiply
    26,747.40x = 40,106.52 × 21,236.16
  4. Step 4: Simplify right side
    26,747.40x = 851,708,475.76
  5. Step 5: Solve for x
    x = 851,708,475.76/26,747.40
  6. Step 6: Final answer
    x = 31,842.66

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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.