Home / 26,086.82-39,042.72-21,406.64

Finding the Fourth Proportional to 26,086.82, 39,042.72 and 21,406.64

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Solution

The fourth proportional to 26,086.82, 39,042.72 and 21,406.64 is: 32,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,086.82 : 39,042.72 = 21,406.64 : x
  2. Step 2: Convert to fraction form
    26,086.82/39,042.72 = 21,406.64/x
  3. Step 3: Cross multiply
    26,086.82x = 39,042.72 × 21,406.64
  4. Step 4: Simplify right side
    26,086.82x = 835,773,256.45
  5. Step 5: Solve for x
    x = 835,773,256.45/26,086.82
  6. Step 6: Final answer
    x = 32,038.15

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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.