Home / 27,795.34-38,352.18-15,858.37

Finding the Fourth Proportional to 27,795.34, 38,352.18 and 15,858.37

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Solution

The fourth proportional to 27,795.34, 38,352.18 and 15,858.37 is: 21,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.34 : 38,352.18 = 15,858.37 : x
  2. Step 2: Convert to fraction form
    27,795.34/38,352.18 = 15,858.37/x
  3. Step 3: Cross multiply
    27,795.34x = 38,352.18 × 15,858.37
  4. Step 4: Simplify right side
    27,795.34x = 608,203,060.75
  5. Step 5: Solve for x
    x = 608,203,060.75/27,795.34
  6. Step 6: Final answer
    x = 21,881.48

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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.