Home / 28,896.30-43,348.65-12,256.30

Finding the Fourth Proportional to 28,896.30, 43,348.65 and 12,256.30

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Solution

The fourth proportional to 28,896.30, 43,348.65 and 12,256.30 is: 18,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.30 : 43,348.65 = 12,256.30 : x
  2. Step 2: Convert to fraction form
    28,896.30/43,348.65 = 12,256.30/x
  3. Step 3: Cross multiply
    28,896.30x = 43,348.65 × 12,256.30
  4. Step 4: Simplify right side
    28,896.30x = 531,294,059.00
  5. Step 5: Solve for x
    x = 531,294,059.00/28,896.30
  6. Step 6: Final answer
    x = 18,386.23

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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.