Home / 25,605.45-38,412.23-8,965.08

Finding the Fourth Proportional to 25,605.45, 38,412.23 and 8,965.08

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Solution

The fourth proportional to 25,605.45, 38,412.23 and 8,965.08 is: 13,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.45 : 38,412.23 = 8,965.08 : x
  2. Step 2: Convert to fraction form
    25,605.45/38,412.23 = 8,965.08/x
  3. Step 3: Cross multiply
    25,605.45x = 38,412.23 × 8,965.08
  4. Step 4: Simplify right side
    25,605.45x = 344,368,714.93
  5. Step 5: Solve for x
    x = 344,368,714.93/25,605.45
  6. Step 6: Final answer
    x = 13,449.04

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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.