Home / 19,446.28-28,984.76-18,339.28

Finding the Fourth Proportional to 19,446.28, 28,984.76 and 18,339.28

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Solution

The fourth proportional to 19,446.28, 28,984.76 and 18,339.28 is: 27,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.28 : 28,984.76 = 18,339.28 : x
  2. Step 2: Convert to fraction form
    19,446.28/28,984.76 = 18,339.28/x
  3. Step 3: Cross multiply
    19,446.28x = 28,984.76 × 18,339.28
  4. Step 4: Simplify right side
    19,446.28x = 531,559,629.37
  5. Step 5: Solve for x
    x = 531,559,629.37/19,446.28
  6. Step 6: Final answer
    x = 27,334.77

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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.