Home / 28,114.82-38,798.48-16,177.91

Finding the Fourth Proportional to 28,114.82, 38,798.48 and 16,177.91

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Solution

The fourth proportional to 28,114.82, 38,798.48 and 16,177.91 is: 22,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.82 : 38,798.48 = 16,177.91 : x
  2. Step 2: Convert to fraction form
    28,114.82/38,798.48 = 16,177.91/x
  3. Step 3: Cross multiply
    28,114.82x = 38,798.48 × 16,177.91
  4. Step 4: Simplify right side
    28,114.82x = 627,678,455.02
  5. Step 5: Solve for x
    x = 627,678,455.02/28,114.82
  6. Step 6: Final answer
    x = 22,325.54

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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.