Home / 23,721.28-35,557.62-8,919.88

Finding the Fourth Proportional to 23,721.28, 35,557.62 and 8,919.88

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Solution

The fourth proportional to 23,721.28, 35,557.62 and 8,919.88 is: 13,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,721.28 : 35,557.62 = 8,919.88 : x
  2. Step 2: Convert to fraction form
    23,721.28/35,557.62 = 8,919.88/x
  3. Step 3: Cross multiply
    23,721.28x = 35,557.62 × 8,919.88
  4. Step 4: Simplify right side
    23,721.28x = 317,169,703.49
  5. Step 5: Solve for x
    x = 317,169,703.49/23,721.28
  6. Step 6: Final answer
    x = 13,370.68

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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.