Home / 25,692.56-35,449.80-15,081.68

Finding the Fourth Proportional to 25,692.56, 35,449.80 and 15,081.68

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Solution

The fourth proportional to 25,692.56, 35,449.80 and 15,081.68 is: 20,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.56 : 35,449.80 = 15,081.68 : x
  2. Step 2: Convert to fraction form
    25,692.56/35,449.80 = 15,081.68/x
  3. Step 3: Cross multiply
    25,692.56x = 35,449.80 × 15,081.68
  4. Step 4: Simplify right side
    25,692.56x = 534,642,539.66
  5. Step 5: Solve for x
    x = 534,642,539.66/25,692.56
  6. Step 6: Final answer
    x = 20,809.24

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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.