Home / 20,619.63-30,925.56-5,828.43

Finding the Fourth Proportional to 20,619.63, 30,925.56 and 5,828.43

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Solution

The fourth proportional to 20,619.63, 30,925.56 and 5,828.43 is: 8,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,619.63 : 30,925.56 = 5,828.43 : x
  2. Step 2: Convert to fraction form
    20,619.63/30,925.56 = 5,828.43/x
  3. Step 3: Cross multiply
    20,619.63x = 30,925.56 × 5,828.43
  4. Step 4: Simplify right side
    20,619.63x = 180,247,461.67
  5. Step 5: Solve for x
    x = 180,247,461.67/20,619.63
  6. Step 6: Final answer
    x = 8,741.55

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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.