Home / 38,827.32-53,449.47-28,736.74

Finding the Fourth Proportional to 38,827.32, 53,449.47 and 28,736.74

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Solution

The fourth proportional to 38,827.32, 53,449.47 and 28,736.74 is: 39,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,827.32 : 53,449.47 = 28,736.74 : x
  2. Step 2: Convert to fraction form
    38,827.32/53,449.47 = 28,736.74/x
  3. Step 3: Cross multiply
    38,827.32x = 53,449.47 × 28,736.74
  4. Step 4: Simplify right side
    38,827.32x = 1,535,963,589.34
  5. Step 5: Solve for x
    x = 1,535,963,589.34/38,827.32
  6. Step 6: Final answer
    x = 39,558.84

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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.