Home / 30,007.80-41,411.61-16,396.74

Finding the Fourth Proportional to 30,007.80, 41,411.61 and 16,396.74

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Solution

The fourth proportional to 30,007.80, 41,411.61 and 16,396.74 is: 22,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.80 : 41,411.61 = 16,396.74 : x
  2. Step 2: Convert to fraction form
    30,007.80/41,411.61 = 16,396.74/x
  3. Step 3: Cross multiply
    30,007.80x = 41,411.61 × 16,396.74
  4. Step 4: Simplify right side
    30,007.80x = 679,015,402.15
  5. Step 5: Solve for x
    x = 679,015,402.15/30,007.80
  6. Step 6: Final answer
    x = 22,627.96

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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.