Home / 26,628.52-36,713.24-21,831.08

Finding the Fourth Proportional to 26,628.52, 36,713.24 and 21,831.08

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Solution

The fourth proportional to 26,628.52, 36,713.24 and 21,831.08 is: 30,098.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.52 : 36,713.24 = 21,831.08 : x
  2. Step 2: Convert to fraction form
    26,628.52/36,713.24 = 21,831.08/x
  3. Step 3: Cross multiply
    26,628.52x = 36,713.24 × 21,831.08
  4. Step 4: Simplify right side
    26,628.52x = 801,489,679.50
  5. Step 5: Solve for x
    x = 801,489,679.50/26,628.52
  6. Step 6: Final answer
    x = 30,098.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.