Home / 39,968.28-55,177.32-25,829.16

Finding the Fourth Proportional to 39,968.28, 55,177.32 and 25,829.16

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Solution

The fourth proportional to 39,968.28, 55,177.32 and 25,829.16 is: 35,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968.28 : 55,177.32 = 25,829.16 : x
  2. Step 2: Convert to fraction form
    39,968.28/55,177.32 = 25,829.16/x
  3. Step 3: Cross multiply
    39,968.28x = 55,177.32 × 25,829.16
  4. Step 4: Simplify right side
    39,968.28x = 1,425,183,826.65
  5. Step 5: Solve for x
    x = 1,425,183,826.65/39,968.28
  6. Step 6: Final answer
    x = 35,657.87

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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.