Home / 28,027.70-42,034.36-8,301.63

Finding the Fourth Proportional to 28,027.70, 42,034.36 and 8,301.63

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Solution

The fourth proportional to 28,027.70, 42,034.36 and 8,301.63 is: 12,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.70 : 42,034.36 = 8,301.63 : x
  2. Step 2: Convert to fraction form
    28,027.70/42,034.36 = 8,301.63/x
  3. Step 3: Cross multiply
    28,027.70x = 42,034.36 × 8,301.63
  4. Step 4: Simplify right side
    28,027.70x = 348,953,704.01
  5. Step 5: Solve for x
    x = 348,953,704.01/28,027.70
  6. Step 6: Final answer
    x = 12,450.32

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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.