Home / 28,433.24-39,196.34-19,908.50

Finding the Fourth Proportional to 28,433.24, 39,196.34 and 19,908.50

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Solution

The fourth proportional to 28,433.24, 39,196.34 and 19,908.50 is: 27,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,433.24 : 39,196.34 = 19,908.50 : x
  2. Step 2: Convert to fraction form
    28,433.24/39,196.34 = 19,908.50/x
  3. Step 3: Cross multiply
    28,433.24x = 39,196.34 × 19,908.50
  4. Step 4: Simplify right side
    28,433.24x = 780,340,235.35
  5. Step 5: Solve for x
    x = 780,340,235.35/28,433.24
  6. Step 6: Final answer
    x = 27,444.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.