Home / 28,831.42-39,787.37-16,256.17

Finding the Fourth Proportional to 28,831.42, 39,787.37 and 16,256.17

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Solution

The fourth proportional to 28,831.42, 39,787.37 and 16,256.17 is: 22,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.42 : 39,787.37 = 16,256.17 : x
  2. Step 2: Convert to fraction form
    28,831.42/39,787.37 = 16,256.17/x
  3. Step 3: Cross multiply
    28,831.42x = 39,787.37 × 16,256.17
  4. Step 4: Simplify right side
    28,831.42x = 646,790,250.57
  5. Step 5: Solve for x
    x = 646,790,250.57/28,831.42
  6. Step 6: Final answer
    x = 22,433.52

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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.