Home / 28,054.56-38,713.92-16,109.52

Finding the Fourth Proportional to 28,054.56, 38,713.92 and 16,109.52

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Solution

The fourth proportional to 28,054.56, 38,713.92 and 16,109.52 is: 22,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.56 : 38,713.92 = 16,109.52 : x
  2. Step 2: Convert to fraction form
    28,054.56/38,713.92 = 16,109.52/x
  3. Step 3: Cross multiply
    28,054.56x = 38,713.92 × 16,109.52
  4. Step 4: Simplify right side
    28,054.56x = 623,662,668.52
  5. Step 5: Solve for x
    x = 623,662,668.52/28,054.56
  6. Step 6: Final answer
    x = 22,230.35

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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.