Home / 28,148.50-38,846.73-16,211.58

Finding the Fourth Proportional to 28,148.50, 38,846.73 and 16,211.58

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Solution

The fourth proportional to 28,148.50, 38,846.73 and 16,211.58 is: 22,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148.50 : 38,846.73 = 16,211.58 : x
  2. Step 2: Convert to fraction form
    28,148.50/38,846.73 = 16,211.58/x
  3. Step 3: Cross multiply
    28,148.50x = 38,846.73 × 16,211.58
  4. Step 4: Simplify right side
    28,148.50x = 629,766,871.13
  5. Step 5: Solve for x
    x = 629,766,871.13/28,148.50
  6. Step 6: Final answer
    x = 22,373.02

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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.