Home / 27,574.08-38,016.72-20,031.36

Finding the Fourth Proportional to 27,574.08, 38,016.72 and 20,031.36

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Solution

The fourth proportional to 27,574.08, 38,016.72 and 20,031.36 is: 27,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,574.08 : 38,016.72 = 20,031.36 : x
  2. Step 2: Convert to fraction form
    27,574.08/38,016.72 = 20,031.36/x
  3. Step 3: Cross multiply
    27,574.08x = 38,016.72 × 20,031.36
  4. Step 4: Simplify right side
    27,574.08x = 761,526,604.34
  5. Step 5: Solve for x
    x = 761,526,604.34/27,574.08
  6. Step 6: Final answer
    x = 27,617.48

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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.