Home / 28,595.26-42,845.47-20,233.83

Finding the Fourth Proportional to 28,595.26, 42,845.47 and 20,233.83

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Solution

The fourth proportional to 28,595.26, 42,845.47 and 20,233.83 is: 30,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595.26 : 42,845.47 = 20,233.83 : x
  2. Step 2: Convert to fraction form
    28,595.26/42,845.47 = 20,233.83/x
  3. Step 3: Cross multiply
    28,595.26x = 42,845.47 × 20,233.83
  4. Step 4: Simplify right side
    28,595.26x = 866,927,956.25
  5. Step 5: Solve for x
    x = 866,927,956.25/28,595.26
  6. Step 6: Final answer
    x = 30,317.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.