Home / 25,327.80-37,994.40-19,770.30

Finding the Fourth Proportional to 25,327.80, 37,994.40 and 19,770.30

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Solution

The fourth proportional to 25,327.80, 37,994.40 and 19,770.30 is: 29,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,327.80 : 37,994.40 = 19,770.30 : x
  2. Step 2: Convert to fraction form
    25,327.80/37,994.40 = 19,770.30/x
  3. Step 3: Cross multiply
    25,327.80x = 37,994.40 × 19,770.30
  4. Step 4: Simplify right side
    25,327.80x = 751,160,686.32
  5. Step 5: Solve for x
    x = 751,160,686.32/25,327.80
  6. Step 6: Final answer
    x = 29,657.56

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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.