Home / 39,215.97-58,831.25-15,858.81

Finding the Fourth Proportional to 39,215.97, 58,831.25 and 15,858.81

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Solution

The fourth proportional to 39,215.97, 58,831.25 and 15,858.81 is: 23,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.97 : 58,831.25 = 15,858.81 : x
  2. Step 2: Convert to fraction form
    39,215.97/58,831.25 = 15,858.81/x
  3. Step 3: Cross multiply
    39,215.97x = 58,831.25 × 15,858.81
  4. Step 4: Simplify right side
    39,215.97x = 932,993,536.52
  5. Step 5: Solve for x
    x = 932,993,536.52/39,215.97
  6. Step 6: Final answer
    x = 23,791.16

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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.