Home / 25,363.98-38,038.62-9,777.96

Finding the Fourth Proportional to 25,363.98, 38,038.62 and 9,777.96

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Solution

The fourth proportional to 25,363.98, 38,038.62 and 9,777.96 is: 14,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,363.98 : 38,038.62 = 9,777.96 : x
  2. Step 2: Convert to fraction form
    25,363.98/38,038.62 = 9,777.96/x
  3. Step 3: Cross multiply
    25,363.98x = 38,038.62 × 9,777.96
  4. Step 4: Simplify right side
    25,363.98x = 371,940,104.82
  5. Step 5: Solve for x
    x = 371,940,104.82/25,363.98
  6. Step 6: Final answer
    x = 14,664.11

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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.