Home / 28,116.72-38,798.19-16,177.73

Finding the Fourth Proportional to 28,116.72, 38,798.19 and 16,177.73

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Solution

The fourth proportional to 28,116.72, 38,798.19 and 16,177.73 is: 22,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,116.72 : 38,798.19 = 16,177.73 : x
  2. Step 2: Convert to fraction form
    28,116.72/38,798.19 = 16,177.73/x
  3. Step 3: Cross multiply
    28,116.72x = 38,798.19 × 16,177.73
  4. Step 4: Simplify right side
    28,116.72x = 627,666,448.32
  5. Step 5: Solve for x
    x = 627,666,448.32/28,116.72
  6. Step 6: Final answer
    x = 22,323.60

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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.