Home / 25,998.12-38,994.60-7,279.80

Finding the Fourth Proportional to 25,998.12, 38,994.60 and 7,279.80

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Solution

The fourth proportional to 25,998.12, 38,994.60 and 7,279.80 is: 10,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998.12 : 38,994.60 = 7,279.80 : x
  2. Step 2: Convert to fraction form
    25,998.12/38,994.60 = 7,279.80/x
  3. Step 3: Cross multiply
    25,998.12x = 38,994.60 × 7,279.80
  4. Step 4: Simplify right side
    25,998.12x = 283,872,889.08
  5. Step 5: Solve for x
    x = 283,872,889.08/25,998.12
  6. Step 6: Final answer
    x = 10,918.98

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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.