Home / 28,769.36-43,160.82-9,047.91

Finding the Fourth Proportional to 28,769.36, 43,160.82 and 9,047.91

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Solution

The fourth proportional to 28,769.36, 43,160.82 and 9,047.91 is: 13,574.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.36 : 43,160.82 = 9,047.91 : x
  2. Step 2: Convert to fraction form
    28,769.36/43,160.82 = 9,047.91/x
  3. Step 3: Cross multiply
    28,769.36x = 43,160.82 × 9,047.91
  4. Step 4: Simplify right side
    28,769.36x = 390,515,214.89
  5. Step 5: Solve for x
    x = 390,515,214.89/28,769.36
  6. Step 6: Final answer
    x = 13,574.00

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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.