Home / 28,707.03-43,063.79-13,122.63

Finding the Fourth Proportional to 28,707.03, 43,063.79 and 13,122.63

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Solution

The fourth proportional to 28,707.03, 43,063.79 and 13,122.63 is: 19,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.03 : 43,063.79 = 13,122.63 : x
  2. Step 2: Convert to fraction form
    28,707.03/43,063.79 = 13,122.63/x
  3. Step 3: Cross multiply
    28,707.03x = 43,063.79 × 13,122.63
  4. Step 4: Simplify right side
    28,707.03x = 565,110,116.95
  5. Step 5: Solve for x
    x = 565,110,116.95/28,707.03
  6. Step 6: Final answer
    x = 19,685.43

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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.