Home / 25,651.83-38,477.32-21,260.01

Finding the Fourth Proportional to 25,651.83, 38,477.32 and 21,260.01

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Solution

The fourth proportional to 25,651.83, 38,477.32 and 21,260.01 is: 31,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.83 : 38,477.32 = 21,260.01 : x
  2. Step 2: Convert to fraction form
    25,651.83/38,477.32 = 21,260.01/x
  3. Step 3: Cross multiply
    25,651.83x = 38,477.32 × 21,260.01
  4. Step 4: Simplify right side
    25,651.83x = 818,028,207.97
  5. Step 5: Solve for x
    x = 818,028,207.97/25,651.83
  6. Step 6: Final answer
    x = 31,889.66

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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.