Home / 28,982.76-39,997.70-16,235.18

Finding the Fourth Proportional to 28,982.76, 39,997.70 and 16,235.18

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Solution

The fourth proportional to 28,982.76, 39,997.70 and 16,235.18 is: 22,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.76 : 39,997.70 = 16,235.18 : x
  2. Step 2: Convert to fraction form
    28,982.76/39,997.70 = 16,235.18/x
  3. Step 3: Cross multiply
    28,982.76x = 39,997.70 × 16,235.18
  4. Step 4: Simplify right side
    28,982.76x = 649,369,577.92
  5. Step 5: Solve for x
    x = 649,369,577.92/28,982.76
  6. Step 6: Final answer
    x = 22,405.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.