Home / 18,926.58-28,256.79-14,460.87

Finding the Fourth Proportional to 18,926.58, 28,256.79 and 14,460.87

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Solution

The fourth proportional to 18,926.58, 28,256.79 and 14,460.87 is: 21,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.58 : 28,256.79 = 14,460.87 : x
  2. Step 2: Convert to fraction form
    18,926.58/28,256.79 = 14,460.87/x
  3. Step 3: Cross multiply
    18,926.58x = 28,256.79 × 14,460.87
  4. Step 4: Simplify right side
    18,926.58x = 408,617,766.81
  5. Step 5: Solve for x
    x = 408,617,766.81/18,926.58
  6. Step 6: Final answer
    x = 21,589.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.