Home / 25,018.88-37,472.78-17,977.76

Finding the Fourth Proportional to 25,018.88, 37,472.78 and 17,977.76

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Solution

The fourth proportional to 25,018.88, 37,472.78 and 17,977.76 is: 26,926.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,018.88 : 37,472.78 = 17,977.76 : x
  2. Step 2: Convert to fraction form
    25,018.88/37,472.78 = 17,977.76/x
  3. Step 3: Cross multiply
    25,018.88x = 37,472.78 × 17,977.76
  4. Step 4: Simplify right side
    25,018.88x = 673,676,645.37
  5. Step 5: Solve for x
    x = 673,676,645.37/25,018.88
  6. Step 6: Final answer
    x = 26,926.73

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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.