Home / 28,549.26-42,760.53-21,926.70

Finding the Fourth Proportional to 28,549.26, 42,760.53 and 21,926.70

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Solution

The fourth proportional to 28,549.26, 42,760.53 and 21,926.70 is: 32,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549.26 : 42,760.53 = 21,926.70 : x
  2. Step 2: Convert to fraction form
    28,549.26/42,760.53 = 21,926.70/x
  3. Step 3: Cross multiply
    28,549.26x = 42,760.53 × 21,926.70
  4. Step 4: Simplify right side
    28,549.26x = 937,597,313.15
  5. Step 5: Solve for x
    x = 937,597,313.15/28,549.26
  6. Step 6: Final answer
    x = 32,841.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.