Home / 43,727.16-65,574.64-15,639.60

Finding the Fourth Proportional to 43,727.16, 65,574.64 and 15,639.60

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Solution

The fourth proportional to 43,727.16, 65,574.64 and 15,639.60 is: 23,453.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,727.16 : 65,574.64 = 15,639.60 : x
  2. Step 2: Convert to fraction form
    43,727.16/65,574.64 = 15,639.60/x
  3. Step 3: Cross multiply
    43,727.16x = 65,574.64 × 15,639.60
  4. Step 4: Simplify right side
    43,727.16x = 1,025,561,139.74
  5. Step 5: Solve for x
    x = 1,025,561,139.74/43,727.16
  6. Step 6: Final answer
    x = 23,453.64

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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.