Home / 38,229.84-52,695.32-28,522.80

Finding the Fourth Proportional to 38,229.84, 52,695.32 and 28,522.80

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Solution

The fourth proportional to 38,229.84, 52,695.32 and 28,522.80 is: 39,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,229.84 : 52,695.32 = 28,522.80 : x
  2. Step 2: Convert to fraction form
    38,229.84/52,695.32 = 28,522.80/x
  3. Step 3: Cross multiply
    38,229.84x = 52,695.32 × 28,522.80
  4. Step 4: Simplify right side
    38,229.84x = 1,503,018,073.30
  5. Step 5: Solve for x
    x = 1,503,018,073.30/38,229.84
  6. Step 6: Final answer
    x = 39,315.31

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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.