Home / 26,826.70-40,059.35-21,905.98

Finding the Fourth Proportional to 26,826.70, 40,059.35 and 21,905.98

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Solution

The fourth proportional to 26,826.70, 40,059.35 and 21,905.98 is: 32,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,826.70 : 40,059.35 = 21,905.98 : x
  2. Step 2: Convert to fraction form
    26,826.70/40,059.35 = 21,905.98/x
  3. Step 3: Cross multiply
    26,826.70x = 40,059.35 × 21,905.98
  4. Step 4: Simplify right side
    26,826.70x = 877,539,319.91
  5. Step 5: Solve for x
    x = 877,539,319.91/26,826.70
  6. Step 6: Final answer
    x = 32,711.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.