Home / 28,631.08-39,521.64-16,698.16

Finding the Fourth Proportional to 28,631.08, 39,521.64 and 16,698.16

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Solution

The fourth proportional to 28,631.08, 39,521.64 and 16,698.16 is: 23,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,631.08 : 39,521.64 = 16,698.16 : x
  2. Step 2: Convert to fraction form
    28,631.08/39,521.64 = 16,698.16/x
  3. Step 3: Cross multiply
    28,631.08x = 39,521.64 × 16,698.16
  4. Step 4: Simplify right side
    28,631.08x = 659,938,668.18
  5. Step 5: Solve for x
    x = 659,938,668.18/28,631.08
  6. Step 6: Final answer
    x = 23,049.73

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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.