Home / 28,257.44-39,002.32-16,327.68

Finding the Fourth Proportional to 28,257.44, 39,002.32 and 16,327.68

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Solution

The fourth proportional to 28,257.44, 39,002.32 and 16,327.68 is: 22,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,257.44 : 39,002.32 = 16,327.68 : x
  2. Step 2: Convert to fraction form
    28,257.44/39,002.32 = 16,327.68/x
  3. Step 3: Cross multiply
    28,257.44x = 39,002.32 × 16,327.68
  4. Step 4: Simplify right side
    28,257.44x = 636,817,400.22
  5. Step 5: Solve for x
    x = 636,817,400.22/28,257.44
  6. Step 6: Final answer
    x = 22,536.27

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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.