Home / 38,906.26-53,615.73-28,279.06

Finding the Fourth Proportional to 38,906.26, 53,615.73 and 28,279.06

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Solution

The fourth proportional to 38,906.26, 53,615.73 and 28,279.06 is: 38,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,906.26 : 53,615.73 = 28,279.06 : x
  2. Step 2: Convert to fraction form
    38,906.26/53,615.73 = 28,279.06/x
  3. Step 3: Cross multiply
    38,906.26x = 53,615.73 × 28,279.06
  4. Step 4: Simplify right side
    38,906.26x = 1,516,202,445.61
  5. Step 5: Solve for x
    x = 1,516,202,445.61/38,906.26
  6. Step 6: Final answer
    x = 38,970.66

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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.