Home / 27,738.24-38,279.52-16,566.72

Finding the Fourth Proportional to 27,738.24, 38,279.52 and 16,566.72

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Solution

The fourth proportional to 27,738.24, 38,279.52 and 16,566.72 is: 22,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,738.24 : 38,279.52 = 16,566.72 : x
  2. Step 2: Convert to fraction form
    27,738.24/38,279.52 = 16,566.72/x
  3. Step 3: Cross multiply
    27,738.24x = 38,279.52 × 16,566.72
  4. Step 4: Simplify right side
    27,738.24x = 634,166,089.57
  5. Step 5: Solve for x
    x = 634,166,089.57/27,738.24
  6. Step 6: Final answer
    x = 22,862.52

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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.