Home / 25,115.82-37,675.08-7,585.20

Finding the Fourth Proportional to 25,115.82, 37,675.08 and 7,585.20

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Solution

The fourth proportional to 25,115.82, 37,675.08 and 7,585.20 is: 11,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.82 : 37,675.08 = 7,585.20 : x
  2. Step 2: Convert to fraction form
    25,115.82/37,675.08 = 7,585.20/x
  3. Step 3: Cross multiply
    25,115.82x = 37,675.08 × 7,585.20
  4. Step 4: Simplify right side
    25,115.82x = 285,773,016.82
  5. Step 5: Solve for x
    x = 285,773,016.82/25,115.82
  6. Step 6: Final answer
    x = 11,378.21

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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.