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Finding the Fourth Proportional to 23,602.75, 35,393.76 and 12,506.90

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Solution

The fourth proportional to 23,602.75, 35,393.76 and 12,506.90 is: 18,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,602.75 : 35,393.76 = 12,506.90 : x
  2. Step 2: Convert to fraction form
    23,602.75/35,393.76 = 12,506.90/x
  3. Step 3: Cross multiply
    23,602.75x = 35,393.76 × 12,506.90
  4. Step 4: Simplify right side
    23,602.75x = 442,666,039.98
  5. Step 5: Solve for x
    x = 442,666,039.98/23,602.75
  6. Step 6: Final answer
    x = 18,754.85

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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.