Home / 27,647.31-38,153.29-15,072.06

Finding the Fourth Proportional to 27,647.31, 38,153.29 and 15,072.06

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Solution

The fourth proportional to 27,647.31, 38,153.29 and 15,072.06 is: 20,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647.31 : 38,153.29 = 15,072.06 : x
  2. Step 2: Convert to fraction form
    27,647.31/38,153.29 = 15,072.06/x
  3. Step 3: Cross multiply
    27,647.31x = 38,153.29 × 15,072.06
  4. Step 4: Simplify right side
    27,647.31x = 575,048,676.08
  5. Step 5: Solve for x
    x = 575,048,676.08/27,647.31
  6. Step 6: Final answer
    x = 20,799.44

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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.