Home / 27,018.09-37,284.81-15,690.36

Finding the Fourth Proportional to 27,018.09, 37,284.81 and 15,690.36

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Solution

The fourth proportional to 27,018.09, 37,284.81 and 15,690.36 is: 21,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.09 : 37,284.81 = 15,690.36 : x
  2. Step 2: Convert to fraction form
    27,018.09/37,284.81 = 15,690.36/x
  3. Step 3: Cross multiply
    27,018.09x = 37,284.81 × 15,690.36
  4. Step 4: Simplify right side
    27,018.09x = 585,012,290.09
  5. Step 5: Solve for x
    x = 585,012,290.09/27,018.09
  6. Step 6: Final answer
    x = 21,652.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.