Home / 28,776.30-39,708.45-16,029.03

Finding the Fourth Proportional to 28,776.30, 39,708.45 and 16,029.03

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Solution

The fourth proportional to 28,776.30, 39,708.45 and 16,029.03 is: 22,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776.30 : 39,708.45 = 16,029.03 : x
  2. Step 2: Convert to fraction form
    28,776.30/39,708.45 = 16,029.03/x
  3. Step 3: Cross multiply
    28,776.30x = 39,708.45 × 16,029.03
  4. Step 4: Simplify right side
    28,776.30x = 636,487,936.30
  5. Step 5: Solve for x
    x = 636,487,936.30/28,776.30
  6. Step 6: Final answer
    x = 22,118.48

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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.