Home / 27,989.67-38,629.40-16,050.68

Finding the Fourth Proportional to 27,989.67, 38,629.40 and 16,050.68

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Solution

The fourth proportional to 27,989.67, 38,629.40 and 16,050.68 is: 22,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,989.67 : 38,629.40 = 16,050.68 : x
  2. Step 2: Convert to fraction form
    27,989.67/38,629.40 = 16,050.68/x
  3. Step 3: Cross multiply
    27,989.67x = 38,629.40 × 16,050.68
  4. Step 4: Simplify right side
    27,989.67x = 620,027,864.59
  5. Step 5: Solve for x
    x = 620,027,864.59/27,989.67
  6. Step 6: Final answer
    x = 22,152.02

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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.