Home / 30,827.01-42,540.84-17,396.40

Finding the Fourth Proportional to 30,827.01, 42,540.84 and 17,396.40

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Solution

The fourth proportional to 30,827.01, 42,540.84 and 17,396.40 is: 24,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,827.01 : 42,540.84 = 17,396.40 : x
  2. Step 2: Convert to fraction form
    30,827.01/42,540.84 = 17,396.40/x
  3. Step 3: Cross multiply
    30,827.01x = 42,540.84 × 17,396.40
  4. Step 4: Simplify right side
    30,827.01x = 740,057,468.98
  5. Step 5: Solve for x
    x = 740,057,468.98/30,827.01
  6. Step 6: Final answer
    x = 24,006.79

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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.