Home / 26,831.31-37,028.94-15,501.30

Finding the Fourth Proportional to 26,831.31, 37,028.94 and 15,501.30

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Solution

The fourth proportional to 26,831.31, 37,028.94 and 15,501.30 is: 21,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.31 : 37,028.94 = 15,501.30 : x
  2. Step 2: Convert to fraction form
    26,831.31/37,028.94 = 15,501.30/x
  3. Step 3: Cross multiply
    26,831.31x = 37,028.94 × 15,501.30
  4. Step 4: Simplify right side
    26,831.31x = 573,996,707.62
  5. Step 5: Solve for x
    x = 573,996,707.62/26,831.31
  6. Step 6: Final answer
    x = 21,392.79

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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.