Home / 28,774.96-39,709.06-16,027.80

Finding the Fourth Proportional to 28,774.96, 39,709.06 and 16,027.80

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Solution

The fourth proportional to 28,774.96, 39,709.06 and 16,027.80 is: 22,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.96 : 39,709.06 = 16,027.80 : x
  2. Step 2: Convert to fraction form
    28,774.96/39,709.06 = 16,027.80/x
  3. Step 3: Cross multiply
    28,774.96x = 39,709.06 × 16,027.80
  4. Step 4: Simplify right side
    28,774.96x = 636,448,871.87
  5. Step 5: Solve for x
    x = 636,448,871.87/28,774.96
  6. Step 6: Final answer
    x = 22,118.15

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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.