Home / 27,630.41-38,129.97-15,055.16

Finding the Fourth Proportional to 27,630.41, 38,129.97 and 15,055.16

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Solution

The fourth proportional to 27,630.41, 38,129.97 and 15,055.16 is: 20,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630.41 : 38,129.97 = 15,055.16 : x
  2. Step 2: Convert to fraction form
    27,630.41/38,129.97 = 15,055.16/x
  3. Step 3: Cross multiply
    27,630.41x = 38,129.97 × 15,055.16
  4. Step 4: Simplify right side
    27,630.41x = 574,052,533.22
  5. Step 5: Solve for x
    x = 574,052,533.22/27,630.41
  6. Step 6: Final answer
    x = 20,776.12

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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.