Home / 19,621.28-29,436.24-8,529.68

Finding the Fourth Proportional to 19,621.28, 29,436.24 and 8,529.68

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Solution

The fourth proportional to 19,621.28, 29,436.24 and 8,529.68 is: 12,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.28 : 29,436.24 = 8,529.68 : x
  2. Step 2: Convert to fraction form
    19,621.28/29,436.24 = 8,529.68/x
  3. Step 3: Cross multiply
    19,621.28x = 29,436.24 × 8,529.68
  4. Step 4: Simplify right side
    19,621.28x = 251,081,707.60
  5. Step 5: Solve for x
    x = 251,081,707.60/19,621.28
  6. Step 6: Final answer
    x = 12,796.40

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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.