Home / 25,382.16-38,075.67-8,739.90

Finding the Fourth Proportional to 25,382.16, 38,075.67 and 8,739.90

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Solution

The fourth proportional to 25,382.16, 38,075.67 and 8,739.90 is: 13,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.16 : 38,075.67 = 8,739.90 : x
  2. Step 2: Convert to fraction form
    25,382.16/38,075.67 = 8,739.90/x
  3. Step 3: Cross multiply
    25,382.16x = 38,075.67 × 8,739.90
  4. Step 4: Simplify right side
    25,382.16x = 332,777,548.23
  5. Step 5: Solve for x
    x = 332,777,548.23/25,382.16
  6. Step 6: Final answer
    x = 13,110.69

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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.