Home / 28,219.77-38,854.62-23,961.87

Finding the Fourth Proportional to 28,219.77, 38,854.62 and 23,961.87

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Solution

The fourth proportional to 28,219.77, 38,854.62 and 23,961.87 is: 32,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.77 : 38,854.62 = 23,961.87 : x
  2. Step 2: Convert to fraction form
    28,219.77/38,854.62 = 23,961.87/x
  3. Step 3: Cross multiply
    28,219.77x = 38,854.62 × 23,961.87
  4. Step 4: Simplify right side
    28,219.77x = 931,029,353.34
  5. Step 5: Solve for x
    x = 931,029,353.34/28,219.77
  6. Step 6: Final answer
    x = 32,992.10

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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.