Home / 27,276.23-37,641.42-15,339.46

Finding the Fourth Proportional to 27,276.23, 37,641.42 and 15,339.46

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Solution

The fourth proportional to 27,276.23, 37,641.42 and 15,339.46 is: 21,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.23 : 37,641.42 = 15,339.46 : x
  2. Step 2: Convert to fraction form
    27,276.23/37,641.42 = 15,339.46/x
  3. Step 3: Cross multiply
    27,276.23x = 37,641.42 × 15,339.46
  4. Step 4: Simplify right side
    27,276.23x = 577,398,791.53
  5. Step 5: Solve for x
    x = 577,398,791.53/27,276.23
  6. Step 6: Final answer
    x = 21,168.57

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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.