Home / 25,583.72-38,376.30-7,115.72

Finding the Fourth Proportional to 25,583.72, 38,376.30 and 7,115.72

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Solution

The fourth proportional to 25,583.72, 38,376.30 and 7,115.72 is: 10,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,583.72 : 38,376.30 = 7,115.72 : x
  2. Step 2: Convert to fraction form
    25,583.72/38,376.30 = 7,115.72/x
  3. Step 3: Cross multiply
    25,583.72x = 38,376.30 × 7,115.72
  4. Step 4: Simplify right side
    25,583.72x = 273,075,005.44
  5. Step 5: Solve for x
    x = 273,075,005.44/25,583.72
  6. Step 6: Final answer
    x = 10,673.78

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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.