Home / 25,890.36-38,802.96-11,081.76

Finding the Fourth Proportional to 25,890.36, 38,802.96 and 11,081.76

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Solution

The fourth proportional to 25,890.36, 38,802.96 and 11,081.76 is: 16,608.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,890.36 : 38,802.96 = 11,081.76 : x
  2. Step 2: Convert to fraction form
    25,890.36/38,802.96 = 11,081.76/x
  3. Step 3: Cross multiply
    25,890.36x = 38,802.96 × 11,081.76
  4. Step 4: Simplify right side
    25,890.36x = 430,005,090.01
  5. Step 5: Solve for x
    x = 430,005,090.01/25,890.36
  6. Step 6: Final answer
    x = 16,608.69

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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.