Home / 28,063.79-42,102.62-8,342.25

Finding the Fourth Proportional to 28,063.79, 42,102.62 and 8,342.25

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Solution

The fourth proportional to 28,063.79, 42,102.62 and 8,342.25 is: 12,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063.79 : 42,102.62 = 8,342.25 : x
  2. Step 2: Convert to fraction form
    28,063.79/42,102.62 = 8,342.25/x
  3. Step 3: Cross multiply
    28,063.79x = 42,102.62 × 8,342.25
  4. Step 4: Simplify right side
    28,063.79x = 351,230,539.98
  5. Step 5: Solve for x
    x = 351,230,539.98/28,063.79
  6. Step 6: Final answer
    x = 12,515.44

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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.