Home / 28,706.52-39,618.64-16,131.26

Finding the Fourth Proportional to 28,706.52, 39,618.64 and 16,131.26

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Solution

The fourth proportional to 28,706.52, 39,618.64 and 16,131.26 is: 22,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.52 : 39,618.64 = 16,131.26 : x
  2. Step 2: Convert to fraction form
    28,706.52/39,618.64 = 16,131.26/x
  3. Step 3: Cross multiply
    28,706.52x = 39,618.64 × 16,131.26
  4. Step 4: Simplify right side
    28,706.52x = 639,098,582.69
  5. Step 5: Solve for x
    x = 639,098,582.69/28,706.52
  6. Step 6: Final answer
    x = 22,263.19

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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.