Home / 25,686.09-38,523.21-9,885.93

Finding the Fourth Proportional to 25,686.09, 38,523.21 and 9,885.93

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Solution

The fourth proportional to 25,686.09, 38,523.21 and 9,885.93 is: 14,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686.09 : 38,523.21 = 9,885.93 : x
  2. Step 2: Convert to fraction form
    25,686.09/38,523.21 = 9,885.93/x
  3. Step 3: Cross multiply
    25,686.09x = 38,523.21 × 9,885.93
  4. Step 4: Simplify right side
    25,686.09x = 380,837,757.44
  5. Step 5: Solve for x
    x = 380,837,757.44/25,686.09
  6. Step 6: Final answer
    x = 14,826.61

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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.