Home / 20,527.66-28,328.18-11,096.22

Finding the Fourth Proportional to 20,527.66, 28,328.18 and 11,096.22

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Solution

The fourth proportional to 20,527.66, 28,328.18 and 11,096.22 is: 15,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.66 : 28,328.18 = 11,096.22 : x
  2. Step 2: Convert to fraction form
    20,527.66/28,328.18 = 11,096.22/x
  3. Step 3: Cross multiply
    20,527.66x = 28,328.18 × 11,096.22
  4. Step 4: Simplify right side
    20,527.66x = 314,335,774.43
  5. Step 5: Solve for x
    x = 314,335,774.43/20,527.66
  6. Step 6: Final answer
    x = 15,312.79

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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.