Home / 26,531.69-39,790.25-7,810.97

Finding the Fourth Proportional to 26,531.69, 39,790.25 and 7,810.97

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Solution

The fourth proportional to 26,531.69, 39,790.25 and 7,810.97 is: 11,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,531.69 : 39,790.25 = 7,810.97 : x
  2. Step 2: Convert to fraction form
    26,531.69/39,790.25 = 7,810.97/x
  3. Step 3: Cross multiply
    26,531.69x = 39,790.25 × 7,810.97
  4. Step 4: Simplify right side
    26,531.69x = 310,800,409.99
  5. Step 5: Solve for x
    x = 310,800,409.99/26,531.69
  6. Step 6: Final answer
    x = 11,714.31

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1.5x scale

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.