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Finding the Fourth Proportional to 23,653.96, 32,640.42 and 13,041.88

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Solution

The fourth proportional to 23,653.96, 32,640.42 and 13,041.88 is: 17,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,653.96 : 32,640.42 = 13,041.88 : x
  2. Step 2: Convert to fraction form
    23,653.96/32,640.42 = 13,041.88/x
  3. Step 3: Cross multiply
    23,653.96x = 32,640.42 × 13,041.88
  4. Step 4: Simplify right side
    23,653.96x = 425,692,440.79
  5. Step 5: Solve for x
    x = 425,692,440.79/23,653.96
  6. Step 6: Final answer
    x = 17,996.67

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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.