Home / 28,706.56-39,613.08-16,133.20

Finding the Fourth Proportional to 28,706.56, 39,613.08 and 16,133.20

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Solution

The fourth proportional to 28,706.56, 39,613.08 and 16,133.20 is: 22,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.56 : 39,613.08 = 16,133.20 : x
  2. Step 2: Convert to fraction form
    28,706.56/39,613.08 = 16,133.20/x
  3. Step 3: Cross multiply
    28,706.56x = 39,613.08 × 16,133.20
  4. Step 4: Simplify right side
    28,706.56x = 639,085,742.26
  5. Step 5: Solve for x
    x = 639,085,742.26/28,706.56
  6. Step 6: Final answer
    x = 22,262.71

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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.