Home / 25,342.28-38,029.74-13,663.64

Finding the Fourth Proportional to 25,342.28, 38,029.74 and 13,663.64

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Solution

The fourth proportional to 25,342.28, 38,029.74 and 13,663.64 is: 20,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,342.28 : 38,029.74 = 13,663.64 : x
  2. Step 2: Convert to fraction form
    25,342.28/38,029.74 = 13,663.64/x
  3. Step 3: Cross multiply
    25,342.28x = 38,029.74 × 13,663.64
  4. Step 4: Simplify right side
    25,342.28x = 519,624,676.65
  5. Step 5: Solve for x
    x = 519,624,676.65/25,342.28
  6. Step 6: Final answer
    x = 20,504.26

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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.