Home / 25,676.20-38,444.76-13,338.28

Finding the Fourth Proportional to 25,676.20, 38,444.76 and 13,338.28

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Solution

The fourth proportional to 25,676.20, 38,444.76 and 13,338.28 is: 19,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.20 : 38,444.76 = 13,338.28 : x
  2. Step 2: Convert to fraction form
    25,676.20/38,444.76 = 13,338.28/x
  3. Step 3: Cross multiply
    25,676.20x = 38,444.76 × 13,338.28
  4. Step 4: Simplify right side
    25,676.20x = 512,786,973.41
  5. Step 5: Solve for x
    x = 512,786,973.41/25,676.20
  6. Step 6: Final answer
    x = 19,971.30

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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.