Home / 20,527.54-30,787.45-8,677.44

Finding the Fourth Proportional to 20,527.54, 30,787.45 and 8,677.44

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Solution

The fourth proportional to 20,527.54, 30,787.45 and 8,677.44 is: 13,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.54 : 30,787.45 = 8,677.44 : x
  2. Step 2: Convert to fraction form
    20,527.54/30,787.45 = 8,677.44/x
  3. Step 3: Cross multiply
    20,527.54x = 30,787.45 × 8,677.44
  4. Step 4: Simplify right side
    20,527.54x = 267,156,228.43
  5. Step 5: Solve for x
    x = 267,156,228.43/20,527.54
  6. Step 6: Final answer
    x = 13,014.53

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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.