Home / 27,630.47-38,130.05-15,055.22

Finding the Fourth Proportional to 27,630.47, 38,130.05 and 15,055.22

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Solution

The fourth proportional to 27,630.47, 38,130.05 and 15,055.22 is: 20,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630.47 : 38,130.05 = 15,055.22 : x
  2. Step 2: Convert to fraction form
    27,630.47/38,130.05 = 15,055.22/x
  3. Step 3: Cross multiply
    27,630.47x = 38,130.05 × 15,055.22
  4. Step 4: Simplify right side
    27,630.47x = 574,056,329.00
  5. Step 5: Solve for x
    x = 574,056,329.00/27,630.47
  6. Step 6: Final answer
    x = 20,776.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.