Home / 28,259.59-42,396.76-16,401.96

Finding the Fourth Proportional to 28,259.59, 42,396.76 and 16,401.96

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Solution

The fourth proportional to 28,259.59, 42,396.76 and 16,401.96 is: 24,607.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259.59 : 42,396.76 = 16,401.96 : x
  2. Step 2: Convert to fraction form
    28,259.59/42,396.76 = 16,401.96/x
  3. Step 3: Cross multiply
    28,259.59x = 42,396.76 × 16,401.96
  4. Step 4: Simplify right side
    28,259.59x = 695,389,961.65
  5. Step 5: Solve for x
    x = 695,389,961.65/28,259.59
  6. Step 6: Final answer
    x = 24,607.22

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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.