Home / 19,022.41-28,538.48-11,131.57

Finding the Fourth Proportional to 19,022.41, 28,538.48 and 11,131.57

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Solution

The fourth proportional to 19,022.41, 28,538.48 and 11,131.57 is: 16,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.41 : 28,538.48 = 11,131.57 : x
  2. Step 2: Convert to fraction form
    19,022.41/28,538.48 = 11,131.57/x
  3. Step 3: Cross multiply
    19,022.41x = 28,538.48 × 11,131.57
  4. Step 4: Simplify right side
    19,022.41x = 317,678,151.32
  5. Step 5: Solve for x
    x = 317,678,151.32/19,022.41
  6. Step 6: Final answer
    x = 16,700.20

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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.