Home / 28,672.44-43,018.98-12,876.24

Finding the Fourth Proportional to 28,672.44, 43,018.98 and 12,876.24

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Solution

The fourth proportional to 28,672.44, 43,018.98 and 12,876.24 is: 19,318.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672.44 : 43,018.98 = 12,876.24 : x
  2. Step 2: Convert to fraction form
    28,672.44/43,018.98 = 12,876.24/x
  3. Step 3: Cross multiply
    28,672.44x = 43,018.98 × 12,876.24
  4. Step 4: Simplify right side
    28,672.44x = 553,922,711.04
  5. Step 5: Solve for x
    x = 553,922,711.04/28,672.44
  6. Step 6: Final answer
    x = 19,318.99

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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.