Home / 27,852.19-38,436.22-15,276.94

Finding the Fourth Proportional to 27,852.19, 38,436.22 and 15,276.94

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Solution

The fourth proportional to 27,852.19, 38,436.22 and 15,276.94 is: 21,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,852.19 : 38,436.22 = 15,276.94 : x
  2. Step 2: Convert to fraction form
    27,852.19/38,436.22 = 15,276.94/x
  3. Step 3: Cross multiply
    27,852.19x = 38,436.22 × 15,276.94
  4. Step 4: Simplify right side
    27,852.19x = 587,187,749.77
  5. Step 5: Solve for x
    x = 587,187,749.77/27,852.19
  6. Step 6: Final answer
    x = 21,082.28

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Half scale
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Double scale
Find fourth proportional to 27,853.19, 38,437.60 and 15,277.94
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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.