Home / 28,677.84-43,021.80-13,097.04

Finding the Fourth Proportional to 28,677.84, 43,021.80 and 13,097.04

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Solution

The fourth proportional to 28,677.84, 43,021.80 and 13,097.04 is: 19,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.84 : 43,021.80 = 13,097.04 : x
  2. Step 2: Convert to fraction form
    28,677.84/43,021.80 = 13,097.04/x
  3. Step 3: Cross multiply
    28,677.84x = 43,021.80 × 13,097.04
  4. Step 4: Simplify right side
    28,677.84x = 563,458,235.47
  5. Step 5: Solve for x
    x = 563,458,235.47/28,677.84
  6. Step 6: Final answer
    x = 19,647.86

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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.