Home / 27,918.36-38,527.10-15,343.32

Finding the Fourth Proportional to 27,918.36, 38,527.10 and 15,343.32

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Solution

The fourth proportional to 27,918.36, 38,527.10 and 15,343.32 is: 21,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918.36 : 38,527.10 = 15,343.32 : x
  2. Step 2: Convert to fraction form
    27,918.36/38,527.10 = 15,343.32/x
  3. Step 3: Cross multiply
    27,918.36x = 38,527.10 × 15,343.32
  4. Step 4: Simplify right side
    27,918.36x = 591,133,623.97
  5. Step 5: Solve for x
    x = 591,133,623.97/27,918.36
  6. Step 6: Final answer
    x = 21,173.65

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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.