Home / 25,348.90-38,020.38-7,817.22

Finding the Fourth Proportional to 25,348.90, 38,020.38 and 7,817.22

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Solution

The fourth proportional to 25,348.90, 38,020.38 and 7,817.22 is: 11,724.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348.90 : 38,020.38 = 7,817.22 : x
  2. Step 2: Convert to fraction form
    25,348.90/38,020.38 = 7,817.22/x
  3. Step 3: Cross multiply
    25,348.90x = 38,020.38 × 7,817.22
  4. Step 4: Simplify right side
    25,348.90x = 297,213,674.94
  5. Step 5: Solve for x
    x = 297,213,674.94/25,348.90
  6. Step 6: Final answer
    x = 11,724.91

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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.