Home / 27,579.66-38,060.19-16,399.50

Finding the Fourth Proportional to 27,579.66, 38,060.19 and 16,399.50

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Solution

The fourth proportional to 27,579.66, 38,060.19 and 16,399.50 is: 22,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.66 : 38,060.19 = 16,399.50 : x
  2. Step 2: Convert to fraction form
    27,579.66/38,060.19 = 16,399.50/x
  3. Step 3: Cross multiply
    27,579.66x = 38,060.19 × 16,399.50
  4. Step 4: Simplify right side
    27,579.66x = 624,168,085.91
  5. Step 5: Solve for x
    x = 624,168,085.91/27,579.66
  6. Step 6: Final answer
    x = 22,631.46

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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.