Home / 27,623.54-38,120.55-15,048.02

Finding the Fourth Proportional to 27,623.54, 38,120.55 and 15,048.02

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Solution

The fourth proportional to 27,623.54, 38,120.55 and 15,048.02 is: 20,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,623.54 : 38,120.55 = 15,048.02 : x
  2. Step 2: Convert to fraction form
    27,623.54/38,120.55 = 15,048.02/x
  3. Step 3: Cross multiply
    27,623.54x = 38,120.55 × 15,048.02
  4. Step 4: Simplify right side
    27,623.54x = 573,638,798.81
  5. Step 5: Solve for x
    x = 573,638,798.81/27,623.54
  6. Step 6: Final answer
    x = 20,766.30

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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.