Home / 28,891.24-39,831.36-22,942.60

Finding the Fourth Proportional to 28,891.24, 39,831.36 and 22,942.60

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Solution

The fourth proportional to 28,891.24, 39,831.36 and 22,942.60 is: 31,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.24 : 39,831.36 = 22,942.60 : x
  2. Step 2: Convert to fraction form
    28,891.24/39,831.36 = 22,942.60/x
  3. Step 3: Cross multiply
    28,891.24x = 39,831.36 × 22,942.60
  4. Step 4: Simplify right side
    28,891.24x = 913,834,959.94
  5. Step 5: Solve for x
    x = 913,834,959.94/28,891.24
  6. Step 6: Final answer
    x = 31,630.17

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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.