Home / 28,825.98-39,783.48-16,893.88

Finding the Fourth Proportional to 28,825.98, 39,783.48 and 16,893.88

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Solution

The fourth proportional to 28,825.98, 39,783.48 and 16,893.88 is: 23,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.98 : 39,783.48 = 16,893.88 : x
  2. Step 2: Convert to fraction form
    28,825.98/39,783.48 = 16,893.88/x
  3. Step 3: Cross multiply
    28,825.98x = 39,783.48 × 16,893.88
  4. Step 4: Simplify right side
    28,825.98x = 672,097,337.10
  5. Step 5: Solve for x
    x = 672,097,337.10/28,825.98
  6. Step 6: Final answer
    x = 23,315.68

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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.