Home / 27,512.20-37,966.95-15,577.84

Finding the Fourth Proportional to 27,512.20, 37,966.95 and 15,577.84

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Solution

The fourth proportional to 27,512.20, 37,966.95 and 15,577.84 is: 21,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,512.20 : 37,966.95 = 15,577.84 : x
  2. Step 2: Convert to fraction form
    27,512.20/37,966.95 = 15,577.84/x
  3. Step 3: Cross multiply
    27,512.20x = 37,966.95 × 15,577.84
  4. Step 4: Simplify right side
    27,512.20x = 591,443,072.39
  5. Step 5: Solve for x
    x = 591,443,072.39/27,512.20
  6. Step 6: Final answer
    x = 21,497.48

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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.