Home / 26,987.12-37,241.84-15,655.76

Finding the Fourth Proportional to 26,987.12, 37,241.84 and 15,655.76

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Solution

The fourth proportional to 26,987.12, 37,241.84 and 15,655.76 is: 21,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.12 : 37,241.84 = 15,655.76 : x
  2. Step 2: Convert to fraction form
    26,987.12/37,241.84 = 15,655.76/x
  3. Step 3: Cross multiply
    26,987.12x = 37,241.84 × 15,655.76
  4. Step 4: Simplify right side
    26,987.12x = 583,049,309.00
  5. Step 5: Solve for x
    x = 583,049,309.00/26,987.12
  6. Step 6: Final answer
    x = 21,604.73

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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.