Home / 28,140.60-42,189.99-17,044.68

Finding the Fourth Proportional to 28,140.60, 42,189.99 and 17,044.68

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Solution

The fourth proportional to 28,140.60, 42,189.99 and 17,044.68 is: 25,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,140.60 : 42,189.99 = 17,044.68 : x
  2. Step 2: Convert to fraction form
    28,140.60/42,189.99 = 17,044.68/x
  3. Step 3: Cross multiply
    28,140.60x = 42,189.99 × 17,044.68
  4. Step 4: Simplify right side
    28,140.60x = 719,114,878.75
  5. Step 5: Solve for x
    x = 719,114,878.75/28,140.60
  6. Step 6: Final answer
    x = 25,554.35

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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.