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Finding the Fourth Proportional to 23,947.30, 35,920.83 and 7,307.28

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Solution

The fourth proportional to 23,947.30, 35,920.83 and 7,307.28 is: 10,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,947.30 : 35,920.83 = 7,307.28 : x
  2. Step 2: Convert to fraction form
    23,947.30/35,920.83 = 7,307.28/x
  3. Step 3: Cross multiply
    23,947.30x = 35,920.83 × 7,307.28
  4. Step 4: Simplify right side
    23,947.30x = 262,483,562.64
  5. Step 5: Solve for x
    x = 262,483,562.64/23,947.30
  6. Step 6: Final answer
    x = 10,960.88

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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.