Home / 27,933.48-38,516.64-20,366.46

Finding the Fourth Proportional to 27,933.48, 38,516.64 and 20,366.46

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Solution

The fourth proportional to 27,933.48, 38,516.64 and 20,366.46 is: 28,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.48 : 38,516.64 = 20,366.46 : x
  2. Step 2: Convert to fraction form
    27,933.48/38,516.64 = 20,366.46/x
  3. Step 3: Cross multiply
    27,933.48x = 38,516.64 × 20,366.46
  4. Step 4: Simplify right side
    27,933.48x = 784,447,607.89
  5. Step 5: Solve for x
    x = 784,447,607.89/27,933.48
  6. Step 6: Final answer
    x = 28,082.70

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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.