Home / 28,706.77-39,613.40-15,958.95

Finding the Fourth Proportional to 28,706.77, 39,613.40 and 15,958.95

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Solution

The fourth proportional to 28,706.77, 39,613.40 and 15,958.95 is: 22,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.77 : 39,613.40 = 15,958.95 : x
  2. Step 2: Convert to fraction form
    28,706.77/39,613.40 = 15,958.95/x
  3. Step 3: Cross multiply
    28,706.77x = 39,613.40 × 15,958.95
  4. Step 4: Simplify right side
    28,706.77x = 632,188,302.61
  5. Step 5: Solve for x
    x = 632,188,302.61/28,706.77
  6. Step 6: Final answer
    x = 22,022.27

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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.