Home / 25,421.80-38,126.82-9,628.66

Finding the Fourth Proportional to 25,421.80, 38,126.82 and 9,628.66

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Solution

The fourth proportional to 25,421.80, 38,126.82 and 9,628.66 is: 14,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,421.80 : 38,126.82 = 9,628.66 : x
  2. Step 2: Convert to fraction form
    25,421.80/38,126.82 = 9,628.66/x
  3. Step 3: Cross multiply
    25,421.80x = 38,126.82 × 9,628.66
  4. Step 4: Simplify right side
    25,421.80x = 367,110,186.66
  5. Step 5: Solve for x
    x = 367,110,186.66/25,421.80
  6. Step 6: Final answer
    x = 14,440.76

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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.