Home / 28,865.32-43,302.51-12,225.44

Finding the Fourth Proportional to 28,865.32, 43,302.51 and 12,225.44

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Solution

The fourth proportional to 28,865.32, 43,302.51 and 12,225.44 is: 18,340.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.32 : 43,302.51 = 12,225.44 : x
  2. Step 2: Convert to fraction form
    28,865.32/43,302.51 = 12,225.44/x
  3. Step 3: Cross multiply
    28,865.32x = 43,302.51 × 12,225.44
  4. Step 4: Simplify right side
    28,865.32x = 529,392,346.11
  5. Step 5: Solve for x
    x = 529,392,346.11/28,865.32
  6. Step 6: Final answer
    x = 18,340.08

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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.