Home / 25,385.63-38,036.84-17,976.79

Finding the Fourth Proportional to 25,385.63, 38,036.84 and 17,976.79

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Solution

The fourth proportional to 25,385.63, 38,036.84 and 17,976.79 is: 26,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.63 : 38,036.84 = 17,976.79 : x
  2. Step 2: Convert to fraction form
    25,385.63/38,036.84 = 17,976.79/x
  3. Step 3: Cross multiply
    25,385.63x = 38,036.84 × 17,976.79
  4. Step 4: Simplify right side
    25,385.63x = 683,780,099.97
  5. Step 5: Solve for x
    x = 683,780,099.97/25,385.63
  6. Step 6: Final answer
    x = 26,935.71

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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.