Home / 28,007.71-42,010.72-11,367.34

Finding the Fourth Proportional to 28,007.71, 42,010.72 and 11,367.34

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Solution

The fourth proportional to 28,007.71, 42,010.72 and 11,367.34 is: 17,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007.71 : 42,010.72 = 11,367.34 : x
  2. Step 2: Convert to fraction form
    28,007.71/42,010.72 = 11,367.34/x
  3. Step 3: Cross multiply
    28,007.71x = 42,010.72 × 11,367.34
  4. Step 4: Simplify right side
    28,007.71x = 477,550,004.44
  5. Step 5: Solve for x
    x = 477,550,004.44/28,007.71
  6. Step 6: Final answer
    x = 17,050.66

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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.