Home / 38,616.36-57,929.28-13,651.24

Finding the Fourth Proportional to 38,616.36, 57,929.28 and 13,651.24

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Solution

The fourth proportional to 38,616.36, 57,929.28 and 13,651.24 is: 20,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,616.36 : 57,929.28 = 13,651.24 : x
  2. Step 2: Convert to fraction form
    38,616.36/57,929.28 = 13,651.24/x
  3. Step 3: Cross multiply
    38,616.36x = 57,929.28 × 13,651.24
  4. Step 4: Simplify right side
    38,616.36x = 790,806,504.31
  5. Step 5: Solve for x
    x = 790,806,504.31/38,616.36
  6. Step 6: Final answer
    x = 20,478.54

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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.