Home / 43,987.21-65,980.83-10,707.28

Finding the Fourth Proportional to 43,987.21, 65,980.83 and 10,707.28

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Solution

The fourth proportional to 43,987.21, 65,980.83 and 10,707.28 is: 16,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,987.21 : 65,980.83 = 10,707.28 : x
  2. Step 2: Convert to fraction form
    43,987.21/65,980.83 = 10,707.28/x
  3. Step 3: Cross multiply
    43,987.21x = 65,980.83 × 10,707.28
  4. Step 4: Simplify right side
    43,987.21x = 706,475,221.44
  5. Step 5: Solve for x
    x = 706,475,221.44/43,987.21
  6. Step 6: Final answer
    x = 16,060.92

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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.