Home / 28,003.16-41,984.14-13,203.72

Finding the Fourth Proportional to 28,003.16, 41,984.14 and 13,203.72

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Solution

The fourth proportional to 28,003.16, 41,984.14 and 13,203.72 is: 19,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003.16 : 41,984.14 = 13,203.72 : x
  2. Step 2: Convert to fraction form
    28,003.16/41,984.14 = 13,203.72/x
  3. Step 3: Cross multiply
    28,003.16x = 41,984.14 × 13,203.72
  4. Step 4: Simplify right side
    28,003.16x = 554,346,829.00
  5. Step 5: Solve for x
    x = 554,346,829.00/28,003.16
  6. Step 6: Final answer
    x = 19,795.87

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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.