Home / 28,672.90-43,012.06-11,144.08

Finding the Fourth Proportional to 28,672.90, 43,012.06 and 11,144.08

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Solution

The fourth proportional to 28,672.90, 43,012.06 and 11,144.08 is: 16,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672.90 : 43,012.06 = 11,144.08 : x
  2. Step 2: Convert to fraction form
    28,672.90/43,012.06 = 11,144.08/x
  3. Step 3: Cross multiply
    28,672.90x = 43,012.06 × 11,144.08
  4. Step 4: Simplify right side
    28,672.90x = 479,329,837.60
  5. Step 5: Solve for x
    x = 479,329,837.60/28,672.90
  6. Step 6: Final answer
    x = 16,717.17

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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.