Home / 27,042.72-37,315.28-15,104.56

Finding the Fourth Proportional to 27,042.72, 37,315.28 and 15,104.56

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Solution

The fourth proportional to 27,042.72, 37,315.28 and 15,104.56 is: 20,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,042.72 : 37,315.28 = 15,104.56 : x
  2. Step 2: Convert to fraction form
    27,042.72/37,315.28 = 15,104.56/x
  3. Step 3: Cross multiply
    27,042.72x = 37,315.28 × 15,104.56
  4. Step 4: Simplify right side
    27,042.72x = 563,630,885.68
  5. Step 5: Solve for x
    x = 563,630,885.68/27,042.72
  6. Step 6: Final answer
    x = 20,842.24

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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.