Home / 28,590.90-42,890.82-10,827.60

Finding the Fourth Proportional to 28,590.90, 42,890.82 and 10,827.60

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Solution

The fourth proportional to 28,590.90, 42,890.82 and 10,827.60 is: 16,243.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.90 : 42,890.82 = 10,827.60 : x
  2. Step 2: Convert to fraction form
    28,590.90/42,890.82 = 10,827.60/x
  3. Step 3: Cross multiply
    28,590.90x = 42,890.82 × 10,827.60
  4. Step 4: Simplify right side
    28,590.90x = 464,404,642.63
  5. Step 5: Solve for x
    x = 464,404,642.63/28,590.90
  6. Step 6: Final answer
    x = 16,243.09

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1.5x scale

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.