Home / 28,698.48-43,064.32-12,057.20

Finding the Fourth Proportional to 28,698.48, 43,064.32 and 12,057.20

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Solution

The fourth proportional to 28,698.48, 43,064.32 and 12,057.20 is: 18,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.48 : 43,064.32 = 12,057.20 : x
  2. Step 2: Convert to fraction form
    28,698.48/43,064.32 = 12,057.20/x
  3. Step 3: Cross multiply
    28,698.48x = 43,064.32 × 12,057.20
  4. Step 4: Simplify right side
    28,698.48x = 519,235,119.10
  5. Step 5: Solve for x
    x = 519,235,119.10/28,698.48
  6. Step 6: Final answer
    x = 18,092.77

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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.