Home / 25,284.56-34,885.50-15,207.96

Finding the Fourth Proportional to 25,284.56, 34,885.50 and 15,207.96

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Solution

The fourth proportional to 25,284.56, 34,885.50 and 15,207.96 is: 20,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,284.56 : 34,885.50 = 15,207.96 : x
  2. Step 2: Convert to fraction form
    25,284.56/34,885.50 = 15,207.96/x
  3. Step 3: Cross multiply
    25,284.56x = 34,885.50 × 15,207.96
  4. Step 4: Simplify right side
    25,284.56x = 530,537,288.58
  5. Step 5: Solve for x
    x = 530,537,288.58/25,284.56
  6. Step 6: Final answer
    x = 20,982.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.