Home / 27,231.30-37,579.20-15,294.33

Finding the Fourth Proportional to 27,231.30, 37,579.20 and 15,294.33

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Solution

The fourth proportional to 27,231.30, 37,579.20 and 15,294.33 is: 21,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,231.30 : 37,579.20 = 15,294.33 : x
  2. Step 2: Convert to fraction form
    27,231.30/37,579.20 = 15,294.33/x
  3. Step 3: Cross multiply
    27,231.30x = 37,579.20 × 15,294.33
  4. Step 4: Simplify right side
    27,231.30x = 574,748,685.94
  5. Step 5: Solve for x
    x = 574,748,685.94/27,231.30
  6. Step 6: Final answer
    x = 21,106.18

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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.