Home / 28,181.56-38,887.86-16,848.81

Finding the Fourth Proportional to 28,181.56, 38,887.86 and 16,848.81

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Solution

The fourth proportional to 28,181.56, 38,887.86 and 16,848.81 is: 23,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.56 : 38,887.86 = 16,848.81 : x
  2. Step 2: Convert to fraction form
    28,181.56/38,887.86 = 16,848.81/x
  3. Step 3: Cross multiply
    28,181.56x = 38,887.86 × 16,848.81
  4. Step 4: Simplify right side
    28,181.56x = 655,214,164.45
  5. Step 5: Solve for x
    x = 655,214,164.45/28,181.56
  6. Step 6: Final answer
    x = 23,249.75

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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.