Home / 27,623.94-38,121.22-15,048.70

Finding the Fourth Proportional to 27,623.94, 38,121.22 and 15,048.70

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Solution

The fourth proportional to 27,623.94, 38,121.22 and 15,048.70 is: 20,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,623.94 : 38,121.22 = 15,048.70 : x
  2. Step 2: Convert to fraction form
    27,623.94/38,121.22 = 15,048.70/x
  3. Step 3: Cross multiply
    27,623.94x = 38,121.22 × 15,048.70
  4. Step 4: Simplify right side
    27,623.94x = 573,674,803.41
  5. Step 5: Solve for x
    x = 573,674,803.41/27,623.94
  6. Step 6: Final answer
    x = 20,767.31

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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.