Home / 25,327.58-37,987.85-8,687.34

Finding the Fourth Proportional to 25,327.58, 37,987.85 and 8,687.34

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Solution

The fourth proportional to 25,327.58, 37,987.85 and 8,687.34 is: 13,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,327.58 : 37,987.85 = 8,687.34 : x
  2. Step 2: Convert to fraction form
    25,327.58/37,987.85 = 8,687.34/x
  3. Step 3: Cross multiply
    25,327.58x = 37,987.85 × 8,687.34
  4. Step 4: Simplify right side
    25,327.58x = 330,013,325.38
  5. Step 5: Solve for x
    x = 330,013,325.38/25,327.58
  6. Step 6: Final answer
    x = 13,029.80

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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.