Home / 28,068.98-38,734.86-16,131.41

Finding the Fourth Proportional to 28,068.98, 38,734.86 and 16,131.41

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Solution

The fourth proportional to 28,068.98, 38,734.86 and 16,131.41 is: 22,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.98 : 38,734.86 = 16,131.41 : x
  2. Step 2: Convert to fraction form
    28,068.98/38,734.86 = 16,131.41/x
  3. Step 3: Cross multiply
    28,068.98x = 38,734.86 × 16,131.41
  4. Step 4: Simplify right side
    28,068.98x = 624,847,714.28
  5. Step 5: Solve for x
    x = 624,847,714.28/28,068.98
  6. Step 6: Final answer
    x = 22,261.15

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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.