Home / 25,530.80-35,236.72-14,918.38

Finding the Fourth Proportional to 25,530.80, 35,236.72 and 14,918.38

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Solution

The fourth proportional to 25,530.80, 35,236.72 and 14,918.38 is: 20,589.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.80 : 35,236.72 = 14,918.38 : x
  2. Step 2: Convert to fraction form
    25,530.80/35,236.72 = 14,918.38/x
  3. Step 3: Cross multiply
    25,530.80x = 35,236.72 × 14,918.38
  4. Step 4: Simplify right side
    25,530.80x = 525,674,709.47
  5. Step 5: Solve for x
    x = 525,674,709.47/25,530.80
  6. Step 6: Final answer
    x = 20,589.83

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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.