Home / 23,678.08-35,509.80-7,879.72

Finding the Fourth Proportional to 23,678.08, 35,509.80 and 7,879.72

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Solution

The fourth proportional to 23,678.08, 35,509.80 and 7,879.72 is: 11,817.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,678.08 : 35,509.80 = 7,879.72 : x
  2. Step 2: Convert to fraction form
    23,678.08/35,509.80 = 7,879.72/x
  3. Step 3: Cross multiply
    23,678.08x = 35,509.80 × 7,879.72
  4. Step 4: Simplify right side
    23,678.08x = 279,807,281.26
  5. Step 5: Solve for x
    x = 279,807,281.26/23,678.08
  6. Step 6: Final answer
    x = 11,817.14

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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.