Home / 19,927.54-27,507.46-13,215.42

Finding the Fourth Proportional to 19,927.54, 27,507.46 and 13,215.42

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Solution

The fourth proportional to 19,927.54, 27,507.46 and 13,215.42 is: 18,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.54 : 27,507.46 = 13,215.42 : x
  2. Step 2: Convert to fraction form
    19,927.54/27,507.46 = 13,215.42/x
  3. Step 3: Cross multiply
    19,927.54x = 27,507.46 × 13,215.42
  4. Step 4: Simplify right side
    19,927.54x = 363,522,637.03
  5. Step 5: Solve for x
    x = 363,522,637.03/19,927.54
  6. Step 6: Final answer
    x = 18,242.22

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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.