Home / 27,090.70-37,387.14-15,157.88

Finding the Fourth Proportional to 27,090.70, 37,387.14 and 15,157.88

Calculator

Solution

The fourth proportional to 27,090.70, 37,387.14 and 15,157.88 is: 20,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.70 : 37,387.14 = 15,157.88 : x
  2. Step 2: Convert to fraction form
    27,090.70/37,387.14 = 15,157.88/x
  3. Step 3: Cross multiply
    27,090.70x = 37,387.14 × 15,157.88
  4. Step 4: Simplify right side
    27,090.70x = 566,709,781.66
  5. Step 5: Solve for x
    x = 566,709,781.66/27,090.70
  6. Step 6: Final answer
    x = 20,918.98

Related Problems

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.