Home / 25,831.84-38,771.52-20,025.76

Finding the Fourth Proportional to 25,831.84, 38,771.52 and 20,025.76

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Solution

The fourth proportional to 25,831.84, 38,771.52 and 20,025.76 is: 30,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.84 : 38,771.52 = 20,025.76 : x
  2. Step 2: Convert to fraction form
    25,831.84/38,771.52 = 20,025.76/x
  3. Step 3: Cross multiply
    25,831.84x = 38,771.52 × 20,025.76
  4. Step 4: Simplify right side
    25,831.84x = 776,429,154.36
  5. Step 5: Solve for x
    x = 776,429,154.36/25,831.84
  6. Step 6: Final answer
    x = 30,057.06

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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.