Home / 28,495.31-42,741.68-19,139.27

Finding the Fourth Proportional to 28,495.31, 42,741.68 and 19,139.27

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Solution

The fourth proportional to 28,495.31, 42,741.68 and 19,139.27 is: 28,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495.31 : 42,741.68 = 19,139.27 : x
  2. Step 2: Convert to fraction form
    28,495.31/42,741.68 = 19,139.27/x
  3. Step 3: Cross multiply
    28,495.31x = 42,741.68 × 19,139.27
  4. Step 4: Simplify right side
    28,495.31x = 818,044,244.37
  5. Step 5: Solve for x
    x = 818,044,244.37/28,495.31
  6. Step 6: Final answer
    x = 28,708.04

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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.