Home / 28,856.56-43,269.36-14,810.80

Finding the Fourth Proportional to 28,856.56, 43,269.36 and 14,810.80

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Solution

The fourth proportional to 28,856.56, 43,269.36 and 14,810.80 is: 22,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.56 : 43,269.36 = 14,810.80 : x
  2. Step 2: Convert to fraction form
    28,856.56/43,269.36 = 14,810.80/x
  3. Step 3: Cross multiply
    28,856.56x = 43,269.36 × 14,810.80
  4. Step 4: Simplify right side
    28,856.56x = 640,853,837.09
  5. Step 5: Solve for x
    x = 640,853,837.09/28,856.56
  6. Step 6: Final answer
    x = 22,208.25

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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.