Home / 28,247.42-42,376.59-10,729.55

Finding the Fourth Proportional to 28,247.42, 42,376.59 and 10,729.55

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Solution

The fourth proportional to 28,247.42, 42,376.59 and 10,729.55 is: 16,096.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.42 : 42,376.59 = 10,729.55 : x
  2. Step 2: Convert to fraction form
    28,247.42/42,376.59 = 10,729.55/x
  3. Step 3: Cross multiply
    28,247.42x = 42,376.59 × 10,729.55
  4. Step 4: Simplify right side
    28,247.42x = 454,681,529.35
  5. Step 5: Solve for x
    x = 454,681,529.35/28,247.42
  6. Step 6: Final answer
    x = 16,096.39

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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.