Home / 28,211.60-38,939.46-17,595.02

Finding the Fourth Proportional to 28,211.60, 38,939.46 and 17,595.02

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Solution

The fourth proportional to 28,211.60, 38,939.46 and 17,595.02 is: 24,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211.60 : 38,939.46 = 17,595.02 : x
  2. Step 2: Convert to fraction form
    28,211.60/38,939.46 = 17,595.02/x
  3. Step 3: Cross multiply
    28,211.60x = 38,939.46 × 17,595.02
  4. Step 4: Simplify right side
    28,211.60x = 685,140,577.49
  5. Step 5: Solve for x
    x = 685,140,577.49/28,211.60
  6. Step 6: Final answer
    x = 24,285.78

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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.