Home / 27,131.46-37,434.65-15,649.88

Finding the Fourth Proportional to 27,131.46, 37,434.65 and 15,649.88

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Solution

The fourth proportional to 27,131.46, 37,434.65 and 15,649.88 is: 21,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,131.46 : 37,434.65 = 15,649.88 : x
  2. Step 2: Convert to fraction form
    27,131.46/37,434.65 = 15,649.88/x
  3. Step 3: Cross multiply
    27,131.46x = 37,434.65 × 15,649.88
  4. Step 4: Simplify right side
    27,131.46x = 585,847,780.34
  5. Step 5: Solve for x
    x = 585,847,780.34/27,131.46
  6. Step 6: Final answer
    x = 21,592.93

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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.