Home / 20,476.24-30,554.61-18,269.80

Finding the Fourth Proportional to 20,476.24, 30,554.61 and 18,269.80

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Solution

The fourth proportional to 20,476.24, 30,554.61 and 18,269.80 is: 27,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476.24 : 30,554.61 = 18,269.80 : x
  2. Step 2: Convert to fraction form
    20,476.24/30,554.61 = 18,269.80/x
  3. Step 3: Cross multiply
    20,476.24x = 30,554.61 × 18,269.80
  4. Step 4: Simplify right side
    20,476.24x = 558,226,613.78
  5. Step 5: Solve for x
    x = 558,226,613.78/20,476.24
  6. Step 6: Final answer
    x = 27,262.16

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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.