Home / 25,855.96-38,748.06-11,781.59

Finding the Fourth Proportional to 25,855.96, 38,748.06 and 11,781.59

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Solution

The fourth proportional to 25,855.96, 38,748.06 and 11,781.59 is: 17,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.96 : 38,748.06 = 11,781.59 : x
  2. Step 2: Convert to fraction form
    25,855.96/38,748.06 = 11,781.59/x
  3. Step 3: Cross multiply
    25,855.96x = 38,748.06 × 11,781.59
  4. Step 4: Simplify right side
    25,855.96x = 456,513,756.22
  5. Step 5: Solve for x
    x = 456,513,756.22/25,855.96
  6. Step 6: Final answer
    x = 17,656.04

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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.