Home / 28,881.42-43,339.14-12,240.24

Finding the Fourth Proportional to 28,881.42, 43,339.14 and 12,240.24

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Solution

The fourth proportional to 28,881.42, 43,339.14 and 12,240.24 is: 18,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.42 : 43,339.14 = 12,240.24 : x
  2. Step 2: Convert to fraction form
    28,881.42/43,339.14 = 12,240.24/x
  3. Step 3: Cross multiply
    28,881.42x = 43,339.14 × 12,240.24
  4. Step 4: Simplify right side
    28,881.42x = 530,481,474.99
  5. Step 5: Solve for x
    x = 530,481,474.99/28,881.42
  6. Step 6: Final answer
    x = 18,367.57

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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.