Home / 27,438.76-37,863.62-15,502.60

Finding the Fourth Proportional to 27,438.76, 37,863.62 and 15,502.60

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Solution

The fourth proportional to 27,438.76, 37,863.62 and 15,502.60 is: 21,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.76 : 37,863.62 = 15,502.60 : x
  2. Step 2: Convert to fraction form
    27,438.76/37,863.62 = 15,502.60/x
  3. Step 3: Cross multiply
    27,438.76x = 37,863.62 × 15,502.60
  4. Step 4: Simplify right side
    27,438.76x = 586,984,555.41
  5. Step 5: Solve for x
    x = 586,984,555.41/27,438.76
  6. Step 6: Final answer
    x = 21,392.53

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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.