Home / 25,696.85-38,547.92-9,699.86

Finding the Fourth Proportional to 25,696.85, 38,547.92 and 9,699.86

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Solution

The fourth proportional to 25,696.85, 38,547.92 and 9,699.86 is: 14,550.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.85 : 38,547.92 = 9,699.86 : x
  2. Step 2: Convert to fraction form
    25,696.85/38,547.92 = 9,699.86/x
  3. Step 3: Cross multiply
    25,696.85x = 38,547.92 × 9,699.86
  4. Step 4: Simplify right side
    25,696.85x = 373,909,493.66
  5. Step 5: Solve for x
    x = 373,909,493.66/25,696.85
  6. Step 6: Final answer
    x = 14,550.79

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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.