Home / 26,831.88-37,023.64-15,499.56

Finding the Fourth Proportional to 26,831.88, 37,023.64 and 15,499.56

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Solution

The fourth proportional to 26,831.88, 37,023.64 and 15,499.56 is: 21,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.88 : 37,023.64 = 15,499.56 : x
  2. Step 2: Convert to fraction form
    26,831.88/37,023.64 = 15,499.56/x
  3. Step 3: Cross multiply
    26,831.88x = 37,023.64 × 15,499.56
  4. Step 4: Simplify right side
    26,831.88x = 573,850,129.60
  5. Step 5: Solve for x
    x = 573,850,129.60/26,831.88
  6. Step 6: Final answer
    x = 21,386.88

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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.