Home / 28,573.26-42,887.60-13,792.58

Finding the Fourth Proportional to 28,573.26, 42,887.60 and 13,792.58

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Solution

The fourth proportional to 28,573.26, 42,887.60 and 13,792.58 is: 20,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,573.26 : 42,887.60 = 13,792.58 : x
  2. Step 2: Convert to fraction form
    28,573.26/42,887.60 = 13,792.58/x
  3. Step 3: Cross multiply
    28,573.26x = 42,887.60 × 13,792.58
  4. Step 4: Simplify right side
    28,573.26x = 591,530,370.61
  5. Step 5: Solve for x
    x = 591,530,370.61/28,573.26
  6. Step 6: Final answer
    x = 20,702.24

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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.