Home / 27,778.65-38,328.44-16,442.48

Finding the Fourth Proportional to 27,778.65, 38,328.44 and 16,442.48

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Solution

The fourth proportional to 27,778.65, 38,328.44 and 16,442.48 is: 22,687.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778.65 : 38,328.44 = 16,442.48 : x
  2. Step 2: Convert to fraction form
    27,778.65/38,328.44 = 16,442.48/x
  3. Step 3: Cross multiply
    27,778.65x = 38,328.44 × 16,442.48
  4. Step 4: Simplify right side
    27,778.65x = 630,214,334.28
  5. Step 5: Solve for x
    x = 630,214,334.28/27,778.65
  6. Step 6: Final answer
    x = 22,687.00

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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.