Home / 23,679.04-35,510.22-7,879.78

Finding the Fourth Proportional to 23,679.04, 35,510.22 and 7,879.78

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Solution

The fourth proportional to 23,679.04, 35,510.22 and 7,879.78 is: 11,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,679.04 : 35,510.22 = 7,879.78 : x
  2. Step 2: Convert to fraction form
    23,679.04/35,510.22 = 7,879.78/x
  3. Step 3: Cross multiply
    23,679.04x = 35,510.22 × 7,879.78
  4. Step 4: Simplify right side
    23,679.04x = 279,812,721.35
  5. Step 5: Solve for x
    x = 279,812,721.35/23,679.04
  6. Step 6: Final answer
    x = 11,816.89

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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.