Home / 28,983.66-39,999.99-16,236.66

Finding the Fourth Proportional to 28,983.66, 39,999.99 and 16,236.66

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Solution

The fourth proportional to 28,983.66, 39,999.99 and 16,236.66 is: 22,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.66 : 39,999.99 = 16,236.66 : x
  2. Step 2: Convert to fraction form
    28,983.66/39,999.99 = 16,236.66/x
  3. Step 3: Cross multiply
    28,983.66x = 39,999.99 × 16,236.66
  4. Step 4: Simplify right side
    28,983.66x = 649,466,237.63
  5. Step 5: Solve for x
    x = 649,466,237.63/28,983.66
  6. Step 6: Final answer
    x = 22,408.01

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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.