Home / 25,476.20-38,219.70-7,705.40

Finding the Fourth Proportional to 25,476.20, 38,219.70 and 7,705.40

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Solution

The fourth proportional to 25,476.20, 38,219.70 and 7,705.40 is: 11,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,476.20 : 38,219.70 = 7,705.40 : x
  2. Step 2: Convert to fraction form
    25,476.20/38,219.70 = 7,705.40/x
  3. Step 3: Cross multiply
    25,476.20x = 38,219.70 × 7,705.40
  4. Step 4: Simplify right side
    25,476.20x = 294,498,076.38
  5. Step 5: Solve for x
    x = 294,498,076.38/25,476.20
  6. Step 6: Final answer
    x = 11,559.73

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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.