Home / 26,085.56-39,134.10-7,619

Finding the Fourth Proportional to 26,085.56, 39,134.10 and 7,619

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Solution

The fourth proportional to 26,085.56, 39,134.10 and 7,619 is: 11,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,085.56 : 39,134.10 = 7,619 : x
  2. Step 2: Convert to fraction form
    26,085.56/39,134.10 = 7,619/x
  3. Step 3: Cross multiply
    26,085.56x = 39,134.10 × 7,619
  4. Step 4: Simplify right side
    26,085.56x = 298,162,707.90
  5. Step 5: Solve for x
    x = 298,162,707.90/26,085.56
  6. Step 6: Final answer
    x = 11,430.18

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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.