Home / 20,631.28-30,941.96-9,527.29

Finding the Fourth Proportional to 20,631.28, 30,941.96 and 9,527.29

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Solution

The fourth proportional to 20,631.28, 30,941.96 and 9,527.29 is: 14,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,631.28 : 30,941.96 = 9,527.29 : x
  2. Step 2: Convert to fraction form
    20,631.28/30,941.96 = 9,527.29/x
  3. Step 3: Cross multiply
    20,631.28x = 30,941.96 × 9,527.29
  4. Step 4: Simplify right side
    20,631.28x = 294,792,823.74
  5. Step 5: Solve for x
    x = 294,792,823.74/20,631.28
  6. Step 6: Final answer
    x = 14,288.64

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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.