Home / 27,018.36-37,293.30-15,690.60

Finding the Fourth Proportional to 27,018.36, 37,293.30 and 15,690.60

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Solution

The fourth proportional to 27,018.36, 37,293.30 and 15,690.60 is: 21,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.36 : 37,293.30 = 15,690.60 : x
  2. Step 2: Convert to fraction form
    27,018.36/37,293.30 = 15,690.60/x
  3. Step 3: Cross multiply
    27,018.36x = 37,293.30 × 15,690.60
  4. Step 4: Simplify right side
    27,018.36x = 585,154,252.98
  5. Step 5: Solve for x
    x = 585,154,252.98/27,018.36
  6. Step 6: Final answer
    x = 21,657.65

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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.