Home / 25,430.14-38,161.21-9,847.77

Finding the Fourth Proportional to 25,430.14, 38,161.21 and 9,847.77

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Solution

The fourth proportional to 25,430.14, 38,161.21 and 9,847.77 is: 14,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.14 : 38,161.21 = 9,847.77 : x
  2. Step 2: Convert to fraction form
    25,430.14/38,161.21 = 9,847.77/x
  3. Step 3: Cross multiply
    25,430.14x = 38,161.21 × 9,847.77
  4. Step 4: Simplify right side
    25,430.14x = 375,802,819.00
  5. Step 5: Solve for x
    x = 375,802,819.00/25,430.14
  6. Step 6: Final answer
    x = 14,777.85

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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.