Home / 28,696.50-43,043.04-12,897.45

Finding the Fourth Proportional to 28,696.50, 43,043.04 and 12,897.45

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Solution

The fourth proportional to 28,696.50, 43,043.04 and 12,897.45 is: 19,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696.50 : 43,043.04 = 12,897.45 : x
  2. Step 2: Convert to fraction form
    28,696.50/43,043.04 = 12,897.45/x
  3. Step 3: Cross multiply
    28,696.50x = 43,043.04 × 12,897.45
  4. Step 4: Simplify right side
    28,696.50x = 555,145,456.25
  5. Step 5: Solve for x
    x = 555,145,456.25/28,696.50
  6. Step 6: Final answer
    x = 19,345.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.