Home / 27,518.77-37,980.12-22,197.07

Finding the Fourth Proportional to 27,518.77, 37,980.12 and 22,197.07

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Solution

The fourth proportional to 27,518.77, 37,980.12 and 22,197.07 is: 30,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.77 : 37,980.12 = 22,197.07 : x
  2. Step 2: Convert to fraction form
    27,518.77/37,980.12 = 22,197.07/x
  3. Step 3: Cross multiply
    27,518.77x = 37,980.12 × 22,197.07
  4. Step 4: Simplify right side
    27,518.77x = 843,047,382.25
  5. Step 5: Solve for x
    x = 843,047,382.25/27,518.77
  6. Step 6: Final answer
    x = 30,635.36

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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.