Home / 18,677.76-28,016.32-4,826.24

Finding the Fourth Proportional to 18,677.76, 28,016.32 and 4,826.24

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Solution

The fourth proportional to 18,677.76, 28,016.32 and 4,826.24 is: 7,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.76 : 28,016.32 = 4,826.24 : x
  2. Step 2: Convert to fraction form
    18,677.76/28,016.32 = 4,826.24/x
  3. Step 3: Cross multiply
    18,677.76x = 28,016.32 × 4,826.24
  4. Step 4: Simplify right side
    18,677.76x = 135,213,484.24
  5. Step 5: Solve for x
    x = 135,213,484.24/18,677.76
  6. Step 6: Final answer
    x = 7,239.28

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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.