Home / 20,831.37-28,717.38-14,852.66

Finding the Fourth Proportional to 20,831.37, 28,717.38 and 14,852.66

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Solution

The fourth proportional to 20,831.37, 28,717.38 and 14,852.66 is: 20,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,831.37 : 28,717.38 = 14,852.66 : x
  2. Step 2: Convert to fraction form
    20,831.37/28,717.38 = 14,852.66/x
  3. Step 3: Cross multiply
    20,831.37x = 28,717.38 × 14,852.66
  4. Step 4: Simplify right side
    20,831.37x = 426,529,481.23
  5. Step 5: Solve for x
    x = 426,529,481.23/20,831.37
  6. Step 6: Final answer
    x = 20,475.34

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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.