Home / 26,529.84-39,772.62-9,880.56

Finding the Fourth Proportional to 26,529.84, 39,772.62 and 9,880.56

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Solution

The fourth proportional to 26,529.84, 39,772.62 and 9,880.56 is: 14,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.84 : 39,772.62 = 9,880.56 : x
  2. Step 2: Convert to fraction form
    26,529.84/39,772.62 = 9,880.56/x
  3. Step 3: Cross multiply
    26,529.84x = 39,772.62 × 9,880.56
  4. Step 4: Simplify right side
    26,529.84x = 392,975,758.27
  5. Step 5: Solve for x
    x = 392,975,758.27/26,529.84
  6. Step 6: Final answer
    x = 14,812.59

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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.