Home / 25,431.16-38,089-21,893.08

Finding the Fourth Proportional to 25,431.16, 38,089 and 21,893.08

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Solution

The fourth proportional to 25,431.16, 38,089 and 21,893.08 is: 32,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431.16 : 38,089 = 21,893.08 : x
  2. Step 2: Convert to fraction form
    25,431.16/38,089 = 21,893.08/x
  3. Step 3: Cross multiply
    25,431.16x = 38,089 × 21,893.08
  4. Step 4: Simplify right side
    25,431.16x = 833,885,524.12
  5. Step 5: Solve for x
    x = 833,885,524.12/25,431.16
  6. Step 6: Final answer
    x = 32,789.91

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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.