Home / 28,860.54-43,212.61-14,980.38

Finding the Fourth Proportional to 28,860.54, 43,212.61 and 14,980.38

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Solution

The fourth proportional to 28,860.54, 43,212.61 and 14,980.38 is: 22,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.54 : 43,212.61 = 14,980.38 : x
  2. Step 2: Convert to fraction form
    28,860.54/43,212.61 = 14,980.38/x
  3. Step 3: Cross multiply
    28,860.54x = 43,212.61 × 14,980.38
  4. Step 4: Simplify right side
    28,860.54x = 647,341,243.69
  5. Step 5: Solve for x
    x = 647,341,243.69/28,860.54
  6. Step 6: Final answer
    x = 22,429.98

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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.