Home / 38,827.13-53,449.21-28,736.55

Finding the Fourth Proportional to 38,827.13, 53,449.21 and 28,736.55

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Solution

The fourth proportional to 38,827.13, 53,449.21 and 28,736.55 is: 39,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,827.13 : 53,449.21 = 28,736.55 : x
  2. Step 2: Convert to fraction form
    38,827.13/53,449.21 = 28,736.55/x
  3. Step 3: Cross multiply
    38,827.13x = 53,449.21 × 28,736.55
  4. Step 4: Simplify right side
    38,827.13x = 1,535,946,131.98
  5. Step 5: Solve for x
    x = 1,535,946,131.98/38,827.13
  6. Step 6: Final answer
    x = 39,558.58

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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.