Home / 27,242.88-37,596.78-20,516.64

Finding the Fourth Proportional to 27,242.88, 37,596.78 and 20,516.64

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Solution

The fourth proportional to 27,242.88, 37,596.78 and 20,516.64 is: 28,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,242.88 : 37,596.78 = 20,516.64 : x
  2. Step 2: Convert to fraction form
    27,242.88/37,596.78 = 20,516.64/x
  3. Step 3: Cross multiply
    27,242.88x = 37,596.78 × 20,516.64
  4. Step 4: Simplify right side
    27,242.88x = 771,359,600.42
  5. Step 5: Solve for x
    x = 771,359,600.42/27,242.88
  6. Step 6: Final answer
    x = 28,314.17

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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.