Home / 28,403.62-42,539.82-27,419.50

Finding the Fourth Proportional to 28,403.62, 42,539.82 and 27,419.50

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Solution

The fourth proportional to 28,403.62, 42,539.82 and 27,419.50 is: 41,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403.62 : 42,539.82 = 27,419.50 : x
  2. Step 2: Convert to fraction form
    28,403.62/42,539.82 = 27,419.50/x
  3. Step 3: Cross multiply
    28,403.62x = 42,539.82 × 27,419.50
  4. Step 4: Simplify right side
    28,403.62x = 1,166,420,594.49
  5. Step 5: Solve for x
    x = 1,166,420,594.49/28,403.62
  6. Step 6: Final answer
    x = 41,065.91

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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.