Home / 28,351.57-39,124.59-17,747.05

Finding the Fourth Proportional to 28,351.57, 39,124.59 and 17,747.05

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Solution

The fourth proportional to 28,351.57, 39,124.59 and 17,747.05 is: 24,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351.57 : 39,124.59 = 17,747.05 : x
  2. Step 2: Convert to fraction form
    28,351.57/39,124.59 = 17,747.05/x
  3. Step 3: Cross multiply
    28,351.57x = 39,124.59 × 17,747.05
  4. Step 4: Simplify right side
    28,351.57x = 694,346,113.70
  5. Step 5: Solve for x
    x = 694,346,113.70/28,351.57
  6. Step 6: Final answer
    x = 24,490.57

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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.