Home / 20,527-28,327.26-14,942.68

Finding the Fourth Proportional to 20,527, 28,327.26 and 14,942.68

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Solution

The fourth proportional to 20,527, 28,327.26 and 14,942.68 is: 20,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527 : 28,327.26 = 14,942.68 : x
  2. Step 2: Convert to fraction form
    20,527/28,327.26 = 14,942.68/x
  3. Step 3: Cross multiply
    20,527x = 28,327.26 × 14,942.68
  4. Step 4: Simplify right side
    20,527x = 423,285,181.46
  5. Step 5: Solve for x
    x = 423,285,181.46/20,527
  6. Step 6: Final answer
    x = 20,620.90

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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.