Home / 26,985.81-37,243.10-20,167.99

Finding the Fourth Proportional to 26,985.81, 37,243.10 and 20,167.99

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Solution

The fourth proportional to 26,985.81, 37,243.10 and 20,167.99 is: 27,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.81 : 37,243.10 = 20,167.99 : x
  2. Step 2: Convert to fraction form
    26,985.81/37,243.10 = 20,167.99/x
  3. Step 3: Cross multiply
    26,985.81x = 37,243.10 × 20,167.99
  4. Step 4: Simplify right side
    26,985.81x = 751,118,367.53
  5. Step 5: Solve for x
    x = 751,118,367.53/26,985.81
  6. Step 6: Final answer
    x = 27,833.83

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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.