Home / 25,518.98-38,289.42-8,869.93

Finding the Fourth Proportional to 25,518.98, 38,289.42 and 8,869.93

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Solution

The fourth proportional to 25,518.98, 38,289.42 and 8,869.93 is: 13,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.98 : 38,289.42 = 8,869.93 : x
  2. Step 2: Convert to fraction form
    25,518.98/38,289.42 = 8,869.93/x
  3. Step 3: Cross multiply
    25,518.98x = 38,289.42 × 8,869.93
  4. Step 4: Simplify right side
    25,518.98x = 339,624,379.42
  5. Step 5: Solve for x
    x = 339,624,379.42/25,518.98
  6. Step 6: Final answer
    x = 13,308.70

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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.