Home / 27,121.84-37,426.25-18,167.90

Finding the Fourth Proportional to 27,121.84, 37,426.25 and 18,167.90

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Solution

The fourth proportional to 27,121.84, 37,426.25 and 18,167.90 is: 25,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.84 : 37,426.25 = 18,167.90 : x
  2. Step 2: Convert to fraction form
    27,121.84/37,426.25 = 18,167.90/x
  3. Step 3: Cross multiply
    27,121.84x = 37,426.25 × 18,167.90
  4. Step 4: Simplify right side
    27,121.84x = 679,956,225.66
  5. Step 5: Solve for x
    x = 679,956,225.66/27,121.84
  6. Step 6: Final answer
    x = 25,070.43

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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.