Home / 25,309.46-37,967.82-7,780.76

Finding the Fourth Proportional to 25,309.46, 37,967.82 and 7,780.76

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Solution

The fourth proportional to 25,309.46, 37,967.82 and 7,780.76 is: 11,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.46 : 37,967.82 = 7,780.76 : x
  2. Step 2: Convert to fraction form
    25,309.46/37,967.82 = 7,780.76/x
  3. Step 3: Cross multiply
    25,309.46x = 37,967.82 × 7,780.76
  4. Step 4: Simplify right side
    25,309.46x = 295,418,495.14
  5. Step 5: Solve for x
    x = 295,418,495.14/25,309.46
  6. Step 6: Final answer
    x = 11,672.26

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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.