Home / 25,898.09-35,745.98-15,291.14

Finding the Fourth Proportional to 25,898.09, 35,745.98 and 15,291.14

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Solution

The fourth proportional to 25,898.09, 35,745.98 and 15,291.14 is: 21,105.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,898.09 : 35,745.98 = 15,291.14 : x
  2. Step 2: Convert to fraction form
    25,898.09/35,745.98 = 15,291.14/x
  3. Step 3: Cross multiply
    25,898.09x = 35,745.98 × 15,291.14
  4. Step 4: Simplify right side
    25,898.09x = 546,596,529.43
  5. Step 5: Solve for x
    x = 546,596,529.43/25,898.09
  6. Step 6: Final answer
    x = 21,105.67

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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.