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Finding the Fourth Proportional to 23,497.71, 35,235.36 and 13,639.74

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Solution

The fourth proportional to 23,497.71, 35,235.36 and 13,639.74 is: 20,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,497.71 : 35,235.36 = 13,639.74 : x
  2. Step 2: Convert to fraction form
    23,497.71/35,235.36 = 13,639.74/x
  3. Step 3: Cross multiply
    23,497.71x = 35,235.36 × 13,639.74
  4. Step 4: Simplify right side
    23,497.71x = 480,601,149.21
  5. Step 5: Solve for x
    x = 480,601,149.21/23,497.71
  6. Step 6: Final answer
    x = 20,453.11

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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.