Home / 27,369.29-37,768.55-15,435.16

Finding the Fourth Proportional to 27,369.29, 37,768.55 and 15,435.16

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Solution

The fourth proportional to 27,369.29, 37,768.55 and 15,435.16 is: 21,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,369.29 : 37,768.55 = 15,435.16 : x
  2. Step 2: Convert to fraction form
    27,369.29/37,768.55 = 15,435.16/x
  3. Step 3: Cross multiply
    27,369.29x = 37,768.55 × 15,435.16
  4. Step 4: Simplify right side
    27,369.29x = 582,963,440.62
  5. Step 5: Solve for x
    x = 582,963,440.62/27,369.29
  6. Step 6: Final answer
    x = 21,299.91

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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.