Home / 28,928.24-39,924.66-16,182.12

Finding the Fourth Proportional to 28,928.24, 39,924.66 and 16,182.12

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Solution

The fourth proportional to 28,928.24, 39,924.66 and 16,182.12 is: 22,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.24 : 39,924.66 = 16,182.12 : x
  2. Step 2: Convert to fraction form
    28,928.24/39,924.66 = 16,182.12/x
  3. Step 3: Cross multiply
    28,928.24x = 39,924.66 × 16,182.12
  4. Step 4: Simplify right side
    28,928.24x = 646,065,639.08
  5. Step 5: Solve for x
    x = 646,065,639.08/28,928.24
  6. Step 6: Final answer
    x = 22,333.39

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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.