Home / 18,090.48-27,012.57-15,964.38

Finding the Fourth Proportional to 18,090.48, 27,012.57 and 15,964.38

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Solution

The fourth proportional to 18,090.48, 27,012.57 and 15,964.38 is: 23,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.48 : 27,012.57 = 15,964.38 : x
  2. Step 2: Convert to fraction form
    18,090.48/27,012.57 = 15,964.38/x
  3. Step 3: Cross multiply
    18,090.48x = 27,012.57 × 15,964.38
  4. Step 4: Simplify right side
    18,090.48x = 431,238,932.26
  5. Step 5: Solve for x
    x = 431,238,932.26/18,090.48
  6. Step 6: Final answer
    x = 23,837.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.