Home / 28,898.94-39,878.59-16,322.88

Finding the Fourth Proportional to 28,898.94, 39,878.59 and 16,322.88

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Solution

The fourth proportional to 28,898.94, 39,878.59 and 16,322.88 is: 22,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.94 : 39,878.59 = 16,322.88 : x
  2. Step 2: Convert to fraction form
    28,898.94/39,878.59 = 16,322.88/x
  3. Step 3: Cross multiply
    28,898.94x = 39,878.59 × 16,322.88
  4. Step 4: Simplify right side
    28,898.94x = 650,933,439.14
  5. Step 5: Solve for x
    x = 650,933,439.14/28,898.94
  6. Step 6: Final answer
    x = 22,524.47

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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.