Home / 26,931.81-40,343.04-13,596.58

Finding the Fourth Proportional to 26,931.81, 40,343.04 and 13,596.58

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Solution

The fourth proportional to 26,931.81, 40,343.04 and 13,596.58 is: 20,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.81 : 40,343.04 = 13,596.58 : x
  2. Step 2: Convert to fraction form
    26,931.81/40,343.04 = 13,596.58/x
  3. Step 3: Cross multiply
    26,931.81x = 40,343.04 × 13,596.58
  4. Step 4: Simplify right side
    26,931.81x = 548,527,370.80
  5. Step 5: Solve for x
    x = 548,527,370.80/26,931.81
  6. Step 6: Final answer
    x = 20,367.27

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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.