Home / 28,917-43,356.06-13,326.12

Finding the Fourth Proportional to 28,917, 43,356.06 and 13,326.12

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Solution

The fourth proportional to 28,917, 43,356.06 and 13,326.12 is: 19,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917 : 43,356.06 = 13,326.12 : x
  2. Step 2: Convert to fraction form
    28,917/43,356.06 = 13,326.12/x
  3. Step 3: Cross multiply
    28,917x = 43,356.06 × 13,326.12
  4. Step 4: Simplify right side
    28,917x = 577,768,058.29
  5. Step 5: Solve for x
    x = 577,768,058.29/28,917
  6. Step 6: Final answer
    x = 19,980.22

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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.