Home / 24,290.90-33,520.77-13,680.30

Finding the Fourth Proportional to 24,290.90, 33,520.77 and 13,680.30

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Solution

The fourth proportional to 24,290.90, 33,520.77 and 13,680.30 is: 18,878.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,290.90 : 33,520.77 = 13,680.30 : x
  2. Step 2: Convert to fraction form
    24,290.90/33,520.77 = 13,680.30/x
  3. Step 3: Cross multiply
    24,290.90x = 33,520.77 × 13,680.30
  4. Step 4: Simplify right side
    24,290.90x = 458,574,189.83
  5. Step 5: Solve for x
    x = 458,574,189.83/24,290.90
  6. Step 6: Final answer
    x = 18,878.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.