Home / 28,818.72-39,768.44-16,073.24

Finding the Fourth Proportional to 28,818.72, 39,768.44 and 16,073.24

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Solution

The fourth proportional to 28,818.72, 39,768.44 and 16,073.24 is: 22,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.72 : 39,768.44 = 16,073.24 : x
  2. Step 2: Convert to fraction form
    28,818.72/39,768.44 = 16,073.24/x
  3. Step 3: Cross multiply
    28,818.72x = 39,768.44 × 16,073.24
  4. Step 4: Simplify right side
    28,818.72x = 639,207,401.34
  5. Step 5: Solve for x
    x = 639,207,401.34/28,818.72
  6. Step 6: Final answer
    x = 22,180.28

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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.