Home / 28,912.27-39,895.73-16,337.02

Finding the Fourth Proportional to 28,912.27, 39,895.73 and 16,337.02

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Solution

The fourth proportional to 28,912.27, 39,895.73 and 16,337.02 is: 22,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.27 : 39,895.73 = 16,337.02 : x
  2. Step 2: Convert to fraction form
    28,912.27/39,895.73 = 16,337.02/x
  3. Step 3: Cross multiply
    28,912.27x = 39,895.73 × 16,337.02
  4. Step 4: Simplify right side
    28,912.27x = 651,777,257.24
  5. Step 5: Solve for x
    x = 651,777,257.24/28,912.27
  6. Step 6: Final answer
    x = 22,543.28

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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.