Home / 28,628.08-42,921.36-19,244.82

Finding the Fourth Proportional to 28,628.08, 42,921.36 and 19,244.82

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Solution

The fourth proportional to 28,628.08, 42,921.36 and 19,244.82 is: 28,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,628.08 : 42,921.36 = 19,244.82 : x
  2. Step 2: Convert to fraction form
    28,628.08/42,921.36 = 19,244.82/x
  3. Step 3: Cross multiply
    28,628.08x = 42,921.36 × 19,244.82
  4. Step 4: Simplify right side
    28,628.08x = 826,013,847.36
  5. Step 5: Solve for x
    x = 826,013,847.36/28,628.08
  6. Step 6: Final answer
    x = 28,853.27

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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.