Home / 28,845.23-43,272.29-12,205.35

Finding the Fourth Proportional to 28,845.23, 43,272.29 and 12,205.35

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Solution

The fourth proportional to 28,845.23, 43,272.29 and 12,205.35 is: 18,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.23 : 43,272.29 = 12,205.35 : x
  2. Step 2: Convert to fraction form
    28,845.23/43,272.29 = 12,205.35/x
  3. Step 3: Cross multiply
    28,845.23x = 43,272.29 × 12,205.35
  4. Step 4: Simplify right side
    28,845.23x = 528,153,475.26
  5. Step 5: Solve for x
    x = 528,153,475.26/28,845.23
  6. Step 6: Final answer
    x = 18,309.91

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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.