Home / 27,918.48-38,527.47-15,343.23

Finding the Fourth Proportional to 27,918.48, 38,527.47 and 15,343.23

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Solution

The fourth proportional to 27,918.48, 38,527.47 and 15,343.23 is: 21,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918.48 : 38,527.47 = 15,343.23 : x
  2. Step 2: Convert to fraction form
    27,918.48/38,527.47 = 15,343.23/x
  3. Step 3: Cross multiply
    27,918.48x = 38,527.47 × 15,343.23
  4. Step 4: Simplify right side
    27,918.48x = 591,135,833.53
  5. Step 5: Solve for x
    x = 591,135,833.53/27,918.48
  6. Step 6: Final answer
    x = 21,173.64

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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.