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Finding the Fourth Proportional to 29,085.84, 43,628.76 and 9,364.40

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Solution

The fourth proportional to 29,085.84, 43,628.76 and 9,364.40 is: 14,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,085.84 : 43,628.76 = 9,364.40 : x
  2. Step 2: Convert to fraction form
    29,085.84/43,628.76 = 9,364.40/x
  3. Step 3: Cross multiply
    29,085.84x = 43,628.76 × 9,364.40
  4. Step 4: Simplify right side
    29,085.84x = 408,556,942.00
  5. Step 5: Solve for x
    x = 408,556,942.00/29,085.84
  6. Step 6: Final answer
    x = 14,046.59

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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.