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Finding the Fourth Proportional to 38,017.82, 56,943.63 and 19,265.67

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Solution

The fourth proportional to 38,017.82, 56,943.63 and 19,265.67 is: 28,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,017.82 : 56,943.63 = 19,265.67 : x
  2. Step 2: Convert to fraction form
    38,017.82/56,943.63 = 19,265.67/x
  3. Step 3: Cross multiply
    38,017.82x = 56,943.63 × 19,265.67
  4. Step 4: Simplify right side
    38,017.82x = 1,097,057,184.18
  5. Step 5: Solve for x
    x = 1,097,057,184.18/38,017.82
  6. Step 6: Final answer
    x = 28,856.39

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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.