Home / 27,045.70-37,322.87-15,109.03

Finding the Fourth Proportional to 27,045.70, 37,322.87 and 15,109.03

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Solution

The fourth proportional to 27,045.70, 37,322.87 and 15,109.03 is: 20,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,045.70 : 37,322.87 = 15,109.03 : x
  2. Step 2: Convert to fraction form
    27,045.70/37,322.87 = 15,109.03/x
  3. Step 3: Cross multiply
    27,045.70x = 37,322.87 × 15,109.03
  4. Step 4: Simplify right side
    27,045.70x = 563,912,362.52
  5. Step 5: Solve for x
    x = 563,912,362.52/27,045.70
  6. Step 6: Final answer
    x = 20,850.35

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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.