Home / 25,357.05-38,026.26-8,712.36

Finding the Fourth Proportional to 25,357.05, 38,026.26 and 8,712.36

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Solution

The fourth proportional to 25,357.05, 38,026.26 and 8,712.36 is: 13,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.05 : 38,026.26 = 8,712.36 : x
  2. Step 2: Convert to fraction form
    25,357.05/38,026.26 = 8,712.36/x
  3. Step 3: Cross multiply
    25,357.05x = 38,026.26 × 8,712.36
  4. Step 4: Simplify right side
    25,357.05x = 331,298,466.57
  5. Step 5: Solve for x
    x = 331,298,466.57/25,357.05
  6. Step 6: Final answer
    x = 13,065.34

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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.