Home / 40,828.60-61,205.98-28,354.49

Finding the Fourth Proportional to 40,828.60, 61,205.98 and 28,354.49

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Solution

The fourth proportional to 40,828.60, 61,205.98 and 28,354.49 is: 42,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,828.60 : 61,205.98 = 28,354.49 : x
  2. Step 2: Convert to fraction form
    40,828.60/61,205.98 = 28,354.49/x
  3. Step 3: Cross multiply
    40,828.60x = 61,205.98 × 28,354.49
  4. Step 4: Simplify right side
    40,828.60x = 1,735,464,347.85
  5. Step 5: Solve for x
    x = 1,735,464,347.85/40,828.60
  6. Step 6: Final answer
    x = 42,506.09

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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.