Home / 28,236.81-42,374.66-10,706.79

Finding the Fourth Proportional to 28,236.81, 42,374.66 and 10,706.79

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Solution

The fourth proportional to 28,236.81, 42,374.66 and 10,706.79 is: 16,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236.81 : 42,374.66 = 10,706.79 : x
  2. Step 2: Convert to fraction form
    28,236.81/42,374.66 = 10,706.79/x
  3. Step 3: Cross multiply
    28,236.81x = 42,374.66 × 10,706.79
  4. Step 4: Simplify right side
    28,236.81x = 453,696,532.41
  5. Step 5: Solve for x
    x = 453,696,532.41/28,236.81
  6. Step 6: Final answer
    x = 16,067.56

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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.