Home / 30,155.28-41,614.55-16,727.40

Finding the Fourth Proportional to 30,155.28, 41,614.55 and 16,727.40

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Solution

The fourth proportional to 30,155.28, 41,614.55 and 16,727.40 is: 23,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,155.28 : 41,614.55 = 16,727.40 : x
  2. Step 2: Convert to fraction form
    30,155.28/41,614.55 = 16,727.40/x
  3. Step 3: Cross multiply
    30,155.28x = 41,614.55 × 16,727.40
  4. Step 4: Simplify right side
    30,155.28x = 696,103,140.03
  5. Step 5: Solve for x
    x = 696,103,140.03/30,155.28
  6. Step 6: Final answer
    x = 23,083.96

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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.