Home / 25,558.20-38,341.08-13,085.28

Finding the Fourth Proportional to 25,558.20, 38,341.08 and 13,085.28

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Solution

The fourth proportional to 25,558.20, 38,341.08 and 13,085.28 is: 19,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558.20 : 38,341.08 = 13,085.28 : x
  2. Step 2: Convert to fraction form
    25,558.20/38,341.08 = 13,085.28/x
  3. Step 3: Cross multiply
    25,558.20x = 38,341.08 × 13,085.28
  4. Step 4: Simplify right side
    25,558.20x = 501,703,767.30
  5. Step 5: Solve for x
    x = 501,703,767.30/25,558.20
  6. Step 6: Final answer
    x = 19,629.86

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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.