Home / 28,571.20-42,859.62-9,848.77

Finding the Fourth Proportional to 28,571.20, 42,859.62 and 9,848.77

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Solution

The fourth proportional to 28,571.20, 42,859.62 and 9,848.77 is: 14,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,571.20 : 42,859.62 = 9,848.77 : x
  2. Step 2: Convert to fraction form
    28,571.20/42,859.62 = 9,848.77/x
  3. Step 3: Cross multiply
    28,571.20x = 42,859.62 × 9,848.77
  4. Step 4: Simplify right side
    28,571.20x = 422,114,558.96
  5. Step 5: Solve for x
    x = 422,114,558.96/28,571.20
  6. Step 6: Final answer
    x = 14,774.13

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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.