Home / 43,389.12-65,080.92-13,828.17

Finding the Fourth Proportional to 43,389.12, 65,080.92 and 13,828.17

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Solution

The fourth proportional to 43,389.12, 65,080.92 and 13,828.17 is: 20,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,389.12 : 65,080.92 = 13,828.17 : x
  2. Step 2: Convert to fraction form
    43,389.12/65,080.92 = 13,828.17/x
  3. Step 3: Cross multiply
    43,389.12x = 65,080.92 × 13,828.17
  4. Step 4: Simplify right side
    43,389.12x = 899,950,025.52
  5. Step 5: Solve for x
    x = 899,950,025.52/43,389.12
  6. Step 6: Final answer
    x = 20,741.38

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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.