Home / 28,543.46-39,373.70-16,605.42

Finding the Fourth Proportional to 28,543.46, 39,373.70 and 16,605.42

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Solution

The fourth proportional to 28,543.46, 39,373.70 and 16,605.42 is: 22,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.46 : 39,373.70 = 16,605.42 : x
  2. Step 2: Convert to fraction form
    28,543.46/39,373.70 = 16,605.42/x
  3. Step 3: Cross multiply
    28,543.46x = 39,373.70 × 16,605.42
  4. Step 4: Simplify right side
    28,543.46x = 653,816,825.45
  5. Step 5: Solve for x
    x = 653,816,825.45/28,543.46
  6. Step 6: Final answer
    x = 22,906.01

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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.