Home / 25,839.36-38,756.40-8,304.48

Finding the Fourth Proportional to 25,839.36, 38,756.40 and 8,304.48

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Solution

The fourth proportional to 25,839.36, 38,756.40 and 8,304.48 is: 12,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,839.36 : 38,756.40 = 8,304.48 : x
  2. Step 2: Convert to fraction form
    25,839.36/38,756.40 = 8,304.48/x
  3. Step 3: Cross multiply
    25,839.36x = 38,756.40 × 8,304.48
  4. Step 4: Simplify right side
    25,839.36x = 321,851,748.67
  5. Step 5: Solve for x
    x = 321,851,748.67/25,839.36
  6. Step 6: Final answer
    x = 12,455.87

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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.