Home / 28,177.80-38,817.70-23,701.64

Finding the Fourth Proportional to 28,177.80, 38,817.70 and 23,701.64

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Solution

The fourth proportional to 28,177.80, 38,817.70 and 23,701.64 is: 32,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.80 : 38,817.70 = 23,701.64 : x
  2. Step 2: Convert to fraction form
    28,177.80/38,817.70 = 23,701.64/x
  3. Step 3: Cross multiply
    28,177.80x = 38,817.70 × 23,701.64
  4. Step 4: Simplify right side
    28,177.80x = 920,043,151.03
  5. Step 5: Solve for x
    x = 920,043,151.03/28,177.80
  6. Step 6: Final answer
    x = 32,651.35

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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.