Home / 31,727.04-43,784.88-18,300.24

Finding the Fourth Proportional to 31,727.04, 43,784.88 and 18,300.24

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Solution

The fourth proportional to 31,727.04, 43,784.88 and 18,300.24 is: 25,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.04 : 43,784.88 = 18,300.24 : x
  2. Step 2: Convert to fraction form
    31,727.04/43,784.88 = 18,300.24/x
  3. Step 3: Cross multiply
    31,727.04x = 43,784.88 × 18,300.24
  4. Step 4: Simplify right side
    31,727.04x = 801,273,812.37
  5. Step 5: Solve for x
    x = 801,273,812.37/31,727.04
  6. Step 6: Final answer
    x = 25,255.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.