Home / 26,887.76-40,301.74-20,292.56

Finding the Fourth Proportional to 26,887.76, 40,301.74 and 20,292.56

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Solution

The fourth proportional to 26,887.76, 40,301.74 and 20,292.56 is: 30,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,887.76 : 40,301.74 = 20,292.56 : x
  2. Step 2: Convert to fraction form
    26,887.76/40,301.74 = 20,292.56/x
  3. Step 3: Cross multiply
    26,887.76x = 40,301.74 × 20,292.56
  4. Step 4: Simplify right side
    26,887.76x = 817,825,477.05
  5. Step 5: Solve for x
    x = 817,825,477.05/26,887.76
  6. Step 6: Final answer
    x = 30,416.27

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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.