Home / 27,621.41-38,117.34-16,866.23

Finding the Fourth Proportional to 27,621.41, 38,117.34 and 16,866.23

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Solution

The fourth proportional to 27,621.41, 38,117.34 and 16,866.23 is: 23,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.41 : 38,117.34 = 16,866.23 : x
  2. Step 2: Convert to fraction form
    27,621.41/38,117.34 = 16,866.23/x
  3. Step 3: Cross multiply
    27,621.41x = 38,117.34 × 16,866.23
  4. Step 4: Simplify right side
    27,621.41x = 642,895,632.84
  5. Step 5: Solve for x
    x = 642,895,632.84/27,621.41
  6. Step 6: Final answer
    x = 23,275.27

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Double scale
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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.