Home / 19,728.61-29,585.99-5,684.88

Finding the Fourth Proportional to 19,728.61, 29,585.99 and 5,684.88

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Solution

The fourth proportional to 19,728.61, 29,585.99 and 5,684.88 is: 8,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.61 : 29,585.99 = 5,684.88 : x
  2. Step 2: Convert to fraction form
    19,728.61/29,585.99 = 5,684.88/x
  3. Step 3: Cross multiply
    19,728.61x = 29,585.99 × 5,684.88
  4. Step 4: Simplify right side
    19,728.61x = 168,192,927.99
  5. Step 5: Solve for x
    x = 168,192,927.99/19,728.61
  6. Step 6: Final answer
    x = 8,525.33

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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.