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Finding the Fourth Proportional to 22,947.99, 34,398.30 and 9,628.72

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Solution

The fourth proportional to 22,947.99, 34,398.30 and 9,628.72 is: 14,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,947.99 : 34,398.30 = 9,628.72 : x
  2. Step 2: Convert to fraction form
    22,947.99/34,398.30 = 9,628.72/x
  3. Step 3: Cross multiply
    22,947.99x = 34,398.30 × 9,628.72
  4. Step 4: Simplify right side
    22,947.99x = 331,211,513.18
  5. Step 5: Solve for x
    x = 331,211,513.18/22,947.99
  6. Step 6: Final answer
    x = 14,433.14

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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.