Home / 27,920.83-38,517.63-16,590.67

Finding the Fourth Proportional to 27,920.83, 38,517.63 and 16,590.67

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Solution

The fourth proportional to 27,920.83, 38,517.63 and 16,590.67 is: 22,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.83 : 38,517.63 = 16,590.67 : x
  2. Step 2: Convert to fraction form
    27,920.83/38,517.63 = 16,590.67/x
  3. Step 3: Cross multiply
    27,920.83x = 38,517.63 × 16,590.67
  4. Step 4: Simplify right side
    27,920.83x = 639,033,288.51
  5. Step 5: Solve for x
    x = 639,033,288.51/27,920.83
  6. Step 6: Final answer
    x = 22,887.33

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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.