Home / 27,723.88-38,258.96-14,977.06

Finding the Fourth Proportional to 27,723.88, 38,258.96 and 14,977.06

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Solution

The fourth proportional to 27,723.88, 38,258.96 and 14,977.06 is: 20,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.88 : 38,258.96 = 14,977.06 : x
  2. Step 2: Convert to fraction form
    27,723.88/38,258.96 = 14,977.06/x
  3. Step 3: Cross multiply
    27,723.88x = 38,258.96 × 14,977.06
  4. Step 4: Simplify right side
    27,723.88x = 573,006,739.46
  5. Step 5: Solve for x
    x = 573,006,739.46/27,723.88
  6. Step 6: Final answer
    x = 20,668.35

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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.