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Finding the Fourth Proportional to 23,491.44, 32,405.94 and 19,020.24

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Solution

The fourth proportional to 23,491.44, 32,405.94 and 19,020.24 is: 26,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,491.44 : 32,405.94 = 19,020.24 : x
  2. Step 2: Convert to fraction form
    23,491.44/32,405.94 = 19,020.24/x
  3. Step 3: Cross multiply
    23,491.44x = 32,405.94 × 19,020.24
  4. Step 4: Simplify right side
    23,491.44x = 616,368,756.23
  5. Step 5: Solve for x
    x = 616,368,756.23/23,491.44
  6. Step 6: Final answer
    x = 26,238.02

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1.5x scale

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.