Home / 18,649.15-27,973.73-17,839.28

Finding the Fourth Proportional to 18,649.15, 27,973.73 and 17,839.28

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Solution

The fourth proportional to 18,649.15, 27,973.73 and 17,839.28 is: 26,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.15 : 27,973.73 = 17,839.28 : x
  2. Step 2: Convert to fraction form
    18,649.15/27,973.73 = 17,839.28/x
  3. Step 3: Cross multiply
    18,649.15x = 27,973.73 × 17,839.28
  4. Step 4: Simplify right side
    18,649.15x = 499,031,187.80
  5. Step 5: Solve for x
    x = 499,031,187.80/18,649.15
  6. Step 6: Final answer
    x = 26,758.92

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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.