Home / 19,728.19-29,599.21-10,235.94

Finding the Fourth Proportional to 19,728.19, 29,599.21 and 10,235.94

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Solution

The fourth proportional to 19,728.19, 29,599.21 and 10,235.94 is: 15,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.19 : 29,599.21 = 10,235.94 : x
  2. Step 2: Convert to fraction form
    19,728.19/29,599.21 = 10,235.94/x
  3. Step 3: Cross multiply
    19,728.19x = 29,599.21 × 10,235.94
  4. Step 4: Simplify right side
    19,728.19x = 302,975,797.42
  5. Step 5: Solve for x
    x = 302,975,797.42/19,728.19
  6. Step 6: Final answer
    x = 15,357.51

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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.