Home / 38,391.28-57,559.66-14,678.84

Finding the Fourth Proportional to 38,391.28, 57,559.66 and 14,678.84

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Solution

The fourth proportional to 38,391.28, 57,559.66 and 14,678.84 is: 22,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,391.28 : 57,559.66 = 14,678.84 : x
  2. Step 2: Convert to fraction form
    38,391.28/57,559.66 = 14,678.84/x
  3. Step 3: Cross multiply
    38,391.28x = 57,559.66 × 14,678.84
  4. Step 4: Simplify right side
    38,391.28x = 844,909,039.59
  5. Step 5: Solve for x
    x = 844,909,039.59/38,391.28
  6. Step 6: Final answer
    x = 22,007.84

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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.