Home / 28,553.61-39,408.52-17,224.74

Finding the Fourth Proportional to 28,553.61, 39,408.52 and 17,224.74

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Solution

The fourth proportional to 28,553.61, 39,408.52 and 17,224.74 is: 23,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553.61 : 39,408.52 = 17,224.74 : x
  2. Step 2: Convert to fraction form
    28,553.61/39,408.52 = 17,224.74/x
  3. Step 3: Cross multiply
    28,553.61x = 39,408.52 × 17,224.74
  4. Step 4: Simplify right side
    28,553.61x = 678,801,313.74
  5. Step 5: Solve for x
    x = 678,801,313.74/28,553.61
  6. Step 6: Final answer
    x = 23,772.87

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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.