Home / 25,869.72-38,806.92-11,075.28

Finding the Fourth Proportional to 25,869.72, 38,806.92 and 11,075.28

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Solution

The fourth proportional to 25,869.72, 38,806.92 and 11,075.28 is: 16,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.72 : 38,806.92 = 11,075.28 : x
  2. Step 2: Convert to fraction form
    25,869.72/38,806.92 = 11,075.28/x
  3. Step 3: Cross multiply
    25,869.72x = 38,806.92 × 11,075.28
  4. Step 4: Simplify right side
    25,869.72x = 429,797,504.94
  5. Step 5: Solve for x
    x = 429,797,504.94/25,869.72
  6. Step 6: Final answer
    x = 16,613.92

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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.