Home / 27,369.89-37,773.81-15,432.99

Finding the Fourth Proportional to 27,369.89, 37,773.81 and 15,432.99

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Solution

The fourth proportional to 27,369.89, 37,773.81 and 15,432.99 is: 21,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,369.89 : 37,773.81 = 15,432.99 : x
  2. Step 2: Convert to fraction form
    27,369.89/37,773.81 = 15,432.99/x
  3. Step 3: Cross multiply
    27,369.89x = 37,773.81 × 15,432.99
  4. Step 4: Simplify right side
    27,369.89x = 582,962,831.99
  5. Step 5: Solve for x
    x = 582,962,831.99/27,369.89
  6. Step 6: Final answer
    x = 21,299.42

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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.