Home / 28,365.45-42,552.79-8,376.96

Finding the Fourth Proportional to 28,365.45, 42,552.79 and 8,376.96

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Solution

The fourth proportional to 28,365.45, 42,552.79 and 8,376.96 is: 12,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365.45 : 42,552.79 = 8,376.96 : x
  2. Step 2: Convert to fraction form
    28,365.45/42,552.79 = 8,376.96/x
  3. Step 3: Cross multiply
    28,365.45x = 42,552.79 × 8,376.96
  4. Step 4: Simplify right side
    28,365.45x = 356,463,014.48
  5. Step 5: Solve for x
    x = 356,463,014.48/28,365.45
  6. Step 6: Final answer
    x = 12,566.80

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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.