Home / 28,723.42-39,641.88-16,148.17

Finding the Fourth Proportional to 28,723.42, 39,641.88 and 16,148.17

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Solution

The fourth proportional to 28,723.42, 39,641.88 and 16,148.17 is: 22,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.42 : 39,641.88 = 16,148.17 : x
  2. Step 2: Convert to fraction form
    28,723.42/39,641.88 = 16,148.17/x
  3. Step 3: Cross multiply
    28,723.42x = 39,641.88 × 16,148.17
  4. Step 4: Simplify right side
    28,723.42x = 640,143,817.36
  5. Step 5: Solve for x
    x = 640,143,817.36/28,723.42
  6. Step 6: Final answer
    x = 22,286.48

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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.