Home / 28,859.32-43,256.20-12,208.96

Finding the Fourth Proportional to 28,859.32, 43,256.20 and 12,208.96

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Solution

The fourth proportional to 28,859.32, 43,256.20 and 12,208.96 is: 18,299.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.32 : 43,256.20 = 12,208.96 : x
  2. Step 2: Convert to fraction form
    28,859.32/43,256.20 = 12,208.96/x
  3. Step 3: Cross multiply
    28,859.32x = 43,256.20 × 12,208.96
  4. Step 4: Simplify right side
    28,859.32x = 528,113,215.55
  5. Step 5: Solve for x
    x = 528,113,215.55/28,859.32
  6. Step 6: Final answer
    x = 18,299.57

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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.