Home / 27,343.36-40,967.79-21,351.25

Finding the Fourth Proportional to 27,343.36, 40,967.79 and 21,351.25

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Solution

The fourth proportional to 27,343.36, 40,967.79 and 21,351.25 is: 31,989.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,343.36 : 40,967.79 = 21,351.25 : x
  2. Step 2: Convert to fraction form
    27,343.36/40,967.79 = 21,351.25/x
  3. Step 3: Cross multiply
    27,343.36x = 40,967.79 × 21,351.25
  4. Step 4: Simplify right side
    27,343.36x = 874,713,526.24
  5. Step 5: Solve for x
    x = 874,713,526.24/27,343.36
  6. Step 6: Final answer
    x = 31,989.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.