Home / 30,255.80-41,753.59-16,827.08

Finding the Fourth Proportional to 30,255.80, 41,753.59 and 16,827.08

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Solution

The fourth proportional to 30,255.80, 41,753.59 and 16,827.08 is: 23,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.80 : 41,753.59 = 16,827.08 : x
  2. Step 2: Convert to fraction form
    30,255.80/41,753.59 = 16,827.08/x
  3. Step 3: Cross multiply
    30,255.80x = 41,753.59 × 16,827.08
  4. Step 4: Simplify right side
    30,255.80x = 702,590,748.38
  5. Step 5: Solve for x
    x = 702,590,748.38/30,255.80
  6. Step 6: Final answer
    x = 23,221.69

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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.