Home / 23,271.80-34,907.70-7,687.40

Finding the Fourth Proportional to 23,271.80, 34,907.70 and 7,687.40

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Solution

The fourth proportional to 23,271.80, 34,907.70 and 7,687.40 is: 11,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,271.80 : 34,907.70 = 7,687.40 : x
  2. Step 2: Convert to fraction form
    23,271.80/34,907.70 = 7,687.40/x
  3. Step 3: Cross multiply
    23,271.80x = 34,907.70 × 7,687.40
  4. Step 4: Simplify right side
    23,271.80x = 268,349,452.98
  5. Step 5: Solve for x
    x = 268,349,452.98/23,271.80
  6. Step 6: Final answer
    x = 11,531.10

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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.