Home / 25,987.21-38,980.47-6,265.61

Finding the Fourth Proportional to 25,987.21, 38,980.47 and 6,265.61

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Solution

The fourth proportional to 25,987.21, 38,980.47 and 6,265.61 is: 9,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,987.21 : 38,980.47 = 6,265.61 : x
  2. Step 2: Convert to fraction form
    25,987.21/38,980.47 = 6,265.61/x
  3. Step 3: Cross multiply
    25,987.21x = 38,980.47 × 6,265.61
  4. Step 4: Simplify right side
    25,987.21x = 244,236,196.41
  5. Step 5: Solve for x
    x = 244,236,196.41/25,987.21
  6. Step 6: Final answer
    x = 9,398.32

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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.