Home / 19,427.68-26,773.55-17,021.98

Finding the Fourth Proportional to 19,427.68, 26,773.55 and 17,021.98

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Solution

The fourth proportional to 19,427.68, 26,773.55 and 17,021.98 is: 23,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.68 : 26,773.55 = 17,021.98 : x
  2. Step 2: Convert to fraction form
    19,427.68/26,773.55 = 17,021.98/x
  3. Step 3: Cross multiply
    19,427.68x = 26,773.55 × 17,021.98
  4. Step 4: Simplify right side
    19,427.68x = 455,738,755.80
  5. Step 5: Solve for x
    x = 455,738,755.80/19,427.68
  6. Step 6: Final answer
    x = 23,458.22

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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.