Home / 28,663.56-43,012.62-11,148.12

Finding the Fourth Proportional to 28,663.56, 43,012.62 and 11,148.12

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Solution

The fourth proportional to 28,663.56, 43,012.62 and 11,148.12 is: 16,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.56 : 43,012.62 = 11,148.12 : x
  2. Step 2: Convert to fraction form
    28,663.56/43,012.62 = 11,148.12/x
  3. Step 3: Cross multiply
    28,663.56x = 43,012.62 × 11,148.12
  4. Step 4: Simplify right side
    28,663.56x = 479,509,849.27
  5. Step 5: Solve for x
    x = 479,509,849.27/28,663.56
  6. Step 6: Final answer
    x = 16,728.90

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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.