Home / 27,980.36-38,608.38-16,041.50

Finding the Fourth Proportional to 27,980.36, 38,608.38 and 16,041.50

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Solution

The fourth proportional to 27,980.36, 38,608.38 and 16,041.50 is: 22,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980.36 : 38,608.38 = 16,041.50 : x
  2. Step 2: Convert to fraction form
    27,980.36/38,608.38 = 16,041.50/x
  3. Step 3: Cross multiply
    27,980.36x = 38,608.38 × 16,041.50
  4. Step 4: Simplify right side
    27,980.36x = 619,336,327.77
  5. Step 5: Solve for x
    x = 619,336,327.77/27,980.36
  6. Step 6: Final answer
    x = 22,134.68

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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.