Home / 28,979.03-43,461.73-7,914.07

Finding the Fourth Proportional to 28,979.03, 43,461.73 and 7,914.07

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Solution

The fourth proportional to 28,979.03, 43,461.73 and 7,914.07 is: 11,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979.03 : 43,461.73 = 7,914.07 : x
  2. Step 2: Convert to fraction form
    28,979.03/43,461.73 = 7,914.07/x
  3. Step 3: Cross multiply
    28,979.03x = 43,461.73 × 7,914.07
  4. Step 4: Simplify right side
    28,979.03x = 343,959,237.76
  5. Step 5: Solve for x
    x = 343,959,237.76/28,979.03
  6. Step 6: Final answer
    x = 11,869.25

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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.