Home / 27,342.18-37,732.31-15,859.35

Finding the Fourth Proportional to 27,342.18, 37,732.31 and 15,859.35

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Solution

The fourth proportional to 27,342.18, 37,732.31 and 15,859.35 is: 21,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.18 : 37,732.31 = 15,859.35 : x
  2. Step 2: Convert to fraction form
    27,342.18/37,732.31 = 15,859.35/x
  3. Step 3: Cross multiply
    27,342.18x = 37,732.31 × 15,859.35
  4. Step 4: Simplify right side
    27,342.18x = 598,409,831.30
  5. Step 5: Solve for x
    x = 598,409,831.30/27,342.18
  6. Step 6: Final answer
    x = 21,885.96

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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.