Home / 27,456.46-37,885.95-15,356.88

Finding the Fourth Proportional to 27,456.46, 37,885.95 and 15,356.88

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Solution

The fourth proportional to 27,456.46, 37,885.95 and 15,356.88 is: 21,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,456.46 : 37,885.95 = 15,356.88 : x
  2. Step 2: Convert to fraction form
    27,456.46/37,885.95 = 15,356.88/x
  3. Step 3: Cross multiply
    27,456.46x = 37,885.95 × 15,356.88
  4. Step 4: Simplify right side
    27,456.46x = 581,809,987.84
  5. Step 5: Solve for x
    x = 581,809,987.84/27,456.46
  6. Step 6: Final answer
    x = 21,190.28

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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.