Home / 27,965.48-38,647.62-22,921.64

Finding the Fourth Proportional to 27,965.48, 38,647.62 and 22,921.64

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Solution

The fourth proportional to 27,965.48, 38,647.62 and 22,921.64 is: 31,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.48 : 38,647.62 = 22,921.64 : x
  2. Step 2: Convert to fraction form
    27,965.48/38,647.62 = 22,921.64/x
  3. Step 3: Cross multiply
    27,965.48x = 38,647.62 × 22,921.64
  4. Step 4: Simplify right side
    27,965.48x = 885,866,832.50
  5. Step 5: Solve for x
    x = 885,866,832.50/27,965.48
  6. Step 6: Final answer
    x = 31,677.15

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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.