Home / 43,277.70-64,916.55-28,503.30

Finding the Fourth Proportional to 43,277.70, 64,916.55 and 28,503.30

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Solution

The fourth proportional to 43,277.70, 64,916.55 and 28,503.30 is: 42,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,277.70 : 64,916.55 = 28,503.30 : x
  2. Step 2: Convert to fraction form
    43,277.70/64,916.55 = 28,503.30/x
  3. Step 3: Cross multiply
    43,277.70x = 64,916.55 × 28,503.30
  4. Step 4: Simplify right side
    43,277.70x = 1,850,335,899.62
  5. Step 5: Solve for x
    x = 1,850,335,899.62/43,277.70
  6. Step 6: Final answer
    x = 42,754.95

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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.