Home / 27,624.06-38,121.21-15,048.81

Finding the Fourth Proportional to 27,624.06, 38,121.21 and 15,048.81

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Solution

The fourth proportional to 27,624.06, 38,121.21 and 15,048.81 is: 20,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,624.06 : 38,121.21 = 15,048.81 : x
  2. Step 2: Convert to fraction form
    27,624.06/38,121.21 = 15,048.81/x
  3. Step 3: Cross multiply
    27,624.06x = 38,121.21 × 15,048.81
  4. Step 4: Simplify right side
    27,624.06x = 573,678,989.21
  5. Step 5: Solve for x
    x = 573,678,989.21/27,624.06
  6. Step 6: Final answer
    x = 20,767.36

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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.