Home / 25,968.32-38,939.15-11,916.26

Finding the Fourth Proportional to 25,968.32, 38,939.15 and 11,916.26

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Solution

The fourth proportional to 25,968.32, 38,939.15 and 11,916.26 is: 17,868.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,968.32 : 38,939.15 = 11,916.26 : x
  2. Step 2: Convert to fraction form
    25,968.32/38,939.15 = 11,916.26/x
  3. Step 3: Cross multiply
    25,968.32x = 38,939.15 × 11,916.26
  4. Step 4: Simplify right side
    25,968.32x = 464,008,840.15
  5. Step 5: Solve for x
    x = 464,008,840.15/25,968.32
  6. Step 6: Final answer
    x = 17,868.26

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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.