Home / 26,264.40-39,355.32-16,388.88

Finding the Fourth Proportional to 26,264.40, 39,355.32 and 16,388.88

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Solution

The fourth proportional to 26,264.40, 39,355.32 and 16,388.88 is: 24,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,264.40 : 39,355.32 = 16,388.88 : x
  2. Step 2: Convert to fraction form
    26,264.40/39,355.32 = 16,388.88/x
  3. Step 3: Cross multiply
    26,264.40x = 39,355.32 × 16,388.88
  4. Step 4: Simplify right side
    26,264.40x = 644,989,616.84
  5. Step 5: Solve for x
    x = 644,989,616.84/26,264.40
  6. Step 6: Final answer
    x = 24,557.56

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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.