Home / 27,311.36-37,672.16-18,926.24

Finding the Fourth Proportional to 27,311.36, 37,672.16 and 18,926.24

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Solution

The fourth proportional to 27,311.36, 37,672.16 and 18,926.24 is: 26,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.36 : 37,672.16 = 18,926.24 : x
  2. Step 2: Convert to fraction form
    27,311.36/37,672.16 = 18,926.24/x
  3. Step 3: Cross multiply
    27,311.36x = 37,672.16 × 18,926.24
  4. Step 4: Simplify right side
    27,311.36x = 712,992,341.48
  5. Step 5: Solve for x
    x = 712,992,341.48/27,311.36
  6. Step 6: Final answer
    x = 26,106.07

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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.