Home / 28,776.96-43,137.74-14,743.59

Finding the Fourth Proportional to 28,776.96, 43,137.74 and 14,743.59

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Solution

The fourth proportional to 28,776.96, 43,137.74 and 14,743.59 is: 22,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776.96 : 43,137.74 = 14,743.59 : x
  2. Step 2: Convert to fraction form
    28,776.96/43,137.74 = 14,743.59/x
  3. Step 3: Cross multiply
    28,776.96x = 43,137.74 × 14,743.59
  4. Step 4: Simplify right side
    28,776.96x = 636,005,078.37
  5. Step 5: Solve for x
    x = 636,005,078.37/28,776.96
  6. Step 6: Final answer
    x = 22,101.19

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1.5x scale

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.