Home / 28,936.02-43,407.23-9,209.97

Finding the Fourth Proportional to 28,936.02, 43,407.23 and 9,209.97

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Solution

The fourth proportional to 28,936.02, 43,407.23 and 9,209.97 is: 13,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.02 : 43,407.23 = 9,209.97 : x
  2. Step 2: Convert to fraction form
    28,936.02/43,407.23 = 9,209.97/x
  3. Step 3: Cross multiply
    28,936.02x = 43,407.23 × 9,209.97
  4. Step 4: Simplify right side
    28,936.02x = 399,779,286.08
  5. Step 5: Solve for x
    x = 399,779,286.08/28,936.02
  6. Step 6: Final answer
    x = 13,815.97

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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.