Home / 27,929.02-38,502.39-22,213.66

Finding the Fourth Proportional to 27,929.02, 38,502.39 and 22,213.66

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Solution

The fourth proportional to 27,929.02, 38,502.39 and 22,213.66 is: 30,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,929.02 : 38,502.39 = 22,213.66 : x
  2. Step 2: Convert to fraction form
    27,929.02/38,502.39 = 22,213.66/x
  3. Step 3: Cross multiply
    27,929.02x = 38,502.39 × 22,213.66
  4. Step 4: Simplify right side
    27,929.02x = 855,279,000.65
  5. Step 5: Solve for x
    x = 855,279,000.65/27,929.02
  6. Step 6: Final answer
    x = 30,623.31

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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.