Home / 38,904.76-53,613.66-28,277.56

Finding the Fourth Proportional to 38,904.76, 53,613.66 and 28,277.56

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Solution

The fourth proportional to 38,904.76, 53,613.66 and 28,277.56 is: 38,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,904.76 : 53,613.66 = 28,277.56 : x
  2. Step 2: Convert to fraction form
    38,904.76/53,613.66 = 28,277.56/x
  3. Step 3: Cross multiply
    38,904.76x = 53,613.66 × 28,277.56
  4. Step 4: Simplify right side
    38,904.76x = 1,516,063,487.47
  5. Step 5: Solve for x
    x = 1,516,063,487.47/38,904.76
  6. Step 6: Final answer
    x = 38,968.59

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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.