Home / 26,831.09-37,028.61-15,501.06

Finding the Fourth Proportional to 26,831.09, 37,028.61 and 15,501.06

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Solution

The fourth proportional to 26,831.09, 37,028.61 and 15,501.06 is: 21,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.09 : 37,028.61 = 15,501.06 : x
  2. Step 2: Convert to fraction form
    26,831.09/37,028.61 = 15,501.06/x
  3. Step 3: Cross multiply
    26,831.09x = 37,028.61 × 15,501.06
  4. Step 4: Simplify right side
    26,831.09x = 573,982,705.33
  5. Step 5: Solve for x
    x = 573,982,705.33/26,831.09
  6. Step 6: Final answer
    x = 21,392.45

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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.