Home / 25,379.10-38,045.43-9,784.98

Finding the Fourth Proportional to 25,379.10, 38,045.43 and 9,784.98

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Solution

The fourth proportional to 25,379.10, 38,045.43 and 9,784.98 is: 14,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.10 : 38,045.43 = 9,784.98 : x
  2. Step 2: Convert to fraction form
    25,379.10/38,045.43 = 9,784.98/x
  3. Step 3: Cross multiply
    25,379.10x = 38,045.43 × 9,784.98
  4. Step 4: Simplify right side
    25,379.10x = 372,273,771.64
  5. Step 5: Solve for x
    x = 372,273,771.64/25,379.10
  6. Step 6: Final answer
    x = 14,668.52

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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.