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Finding the Fourth Proportional to 19,421, 26,801.01 and 11,037.50

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Solution

The fourth proportional to 19,421, 26,801.01 and 11,037.50 is: 15,231.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421 : 26,801.01 = 11,037.50 : x
  2. Step 2: Convert to fraction form
    19,421/26,801.01 = 11,037.50/x
  3. Step 3: Cross multiply
    19,421x = 26,801.01 × 11,037.50
  4. Step 4: Simplify right side
    19,421x = 295,816,147.88
  5. Step 5: Solve for x
    x = 295,816,147.88/19,421
  6. Step 6: Final answer
    x = 15,231.77

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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.