Home / 28,796.18-39,741.16-16,223.36

Finding the Fourth Proportional to 28,796.18, 39,741.16 and 16,223.36

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Solution

The fourth proportional to 28,796.18, 39,741.16 and 16,223.36 is: 22,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.18 : 39,741.16 = 16,223.36 : x
  2. Step 2: Convert to fraction form
    28,796.18/39,741.16 = 16,223.36/x
  3. Step 3: Cross multiply
    28,796.18x = 39,741.16 × 16,223.36
  4. Step 4: Simplify right side
    28,796.18x = 644,735,145.50
  5. Step 5: Solve for x
    x = 644,735,145.50/28,796.18
  6. Step 6: Final answer
    x = 22,389.61

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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.