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Finding the Fourth Proportional to 23,703.70, 32,713.04 and 13,635.40

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Solution

The fourth proportional to 23,703.70, 32,713.04 and 13,635.40 is: 18,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,703.70 : 32,713.04 = 13,635.40 : x
  2. Step 2: Convert to fraction form
    23,703.70/32,713.04 = 13,635.40/x
  3. Step 3: Cross multiply
    23,703.70x = 32,713.04 × 13,635.40
  4. Step 4: Simplify right side
    23,703.70x = 446,055,385.62
  5. Step 5: Solve for x
    x = 446,055,385.62/23,703.70
  6. Step 6: Final answer
    x = 18,817.96

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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.