Home / 28,749.96-43,111.28-10,027.72

Finding the Fourth Proportional to 28,749.96, 43,111.28 and 10,027.72

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Solution

The fourth proportional to 28,749.96, 43,111.28 and 10,027.72 is: 15,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.96 : 43,111.28 = 10,027.72 : x
  2. Step 2: Convert to fraction form
    28,749.96/43,111.28 = 10,027.72/x
  3. Step 3: Cross multiply
    28,749.96x = 43,111.28 × 10,027.72
  4. Step 4: Simplify right side
    28,749.96x = 432,307,923.64
  5. Step 5: Solve for x
    x = 432,307,923.64/28,749.96
  6. Step 6: Final answer
    x = 15,036.82

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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.