Home / 27,219.53-40,836.24-13,186.28

Finding the Fourth Proportional to 27,219.53, 40,836.24 and 13,186.28

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Solution

The fourth proportional to 27,219.53, 40,836.24 and 13,186.28 is: 19,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.53 : 40,836.24 = 13,186.28 : x
  2. Step 2: Convert to fraction form
    27,219.53/40,836.24 = 13,186.28/x
  3. Step 3: Cross multiply
    27,219.53x = 40,836.24 × 13,186.28
  4. Step 4: Simplify right side
    27,219.53x = 538,478,094.79
  5. Step 5: Solve for x
    x = 538,478,094.79/27,219.53
  6. Step 6: Final answer
    x = 19,782.78

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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.