Home / 20,639.24-30,958.86-5,848.28

Finding the Fourth Proportional to 20,639.24, 30,958.86 and 5,848.28

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Solution

The fourth proportional to 20,639.24, 30,958.86 and 5,848.28 is: 8,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,639.24 : 30,958.86 = 5,848.28 : x
  2. Step 2: Convert to fraction form
    20,639.24/30,958.86 = 5,848.28/x
  3. Step 3: Cross multiply
    20,639.24x = 30,958.86 × 5,848.28
  4. Step 4: Simplify right side
    20,639.24x = 181,056,081.76
  5. Step 5: Solve for x
    x = 181,056,081.76/20,639.24
  6. Step 6: Final answer
    x = 8,772.42

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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.