Home / 19,647.27-29,292.26-17,431.11

Finding the Fourth Proportional to 19,647.27, 29,292.26 and 17,431.11

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Solution

The fourth proportional to 19,647.27, 29,292.26 and 17,431.11 is: 25,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.27 : 29,292.26 = 17,431.11 : x
  2. Step 2: Convert to fraction form
    19,647.27/29,292.26 = 17,431.11/x
  3. Step 3: Cross multiply
    19,647.27x = 29,292.26 × 17,431.11
  4. Step 4: Simplify right side
    19,647.27x = 510,596,519.05
  5. Step 5: Solve for x
    x = 510,596,519.05/19,647.27
  6. Step 6: Final answer
    x = 25,988.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.