Home / 27,386.51-41,074.29-8,663.36

Finding the Fourth Proportional to 27,386.51, 41,074.29 and 8,663.36

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Solution

The fourth proportional to 27,386.51, 41,074.29 and 8,663.36 is: 12,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,386.51 : 41,074.29 = 8,663.36 : x
  2. Step 2: Convert to fraction form
    27,386.51/41,074.29 = 8,663.36/x
  3. Step 3: Cross multiply
    27,386.51x = 41,074.29 × 8,663.36
  4. Step 4: Simplify right side
    27,386.51x = 355,841,155.64
  5. Step 5: Solve for x
    x = 355,841,155.64/27,386.51
  6. Step 6: Final answer
    x = 12,993.30

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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.