Home / 27,964.48-38,646.24-22,920.64

Finding the Fourth Proportional to 27,964.48, 38,646.24 and 22,920.64

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Solution

The fourth proportional to 27,964.48, 38,646.24 and 22,920.64 is: 31,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.48 : 38,646.24 = 22,920.64 : x
  2. Step 2: Convert to fraction form
    27,964.48/38,646.24 = 22,920.64/x
  3. Step 3: Cross multiply
    27,964.48x = 38,646.24 × 22,920.64
  4. Step 4: Simplify right side
    27,964.48x = 885,796,554.39
  5. Step 5: Solve for x
    x = 885,796,554.39/27,964.48
  6. Step 6: Final answer
    x = 31,675.77

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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.