Home / 27,599.16-38,087.82-15,663

Finding the Fourth Proportional to 27,599.16, 38,087.82 and 15,663

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Solution

The fourth proportional to 27,599.16, 38,087.82 and 15,663 is: 21,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,599.16 : 38,087.82 = 15,663 : x
  2. Step 2: Convert to fraction form
    27,599.16/38,087.82 = 15,663/x
  3. Step 3: Cross multiply
    27,599.16x = 38,087.82 × 15,663
  4. Step 4: Simplify right side
    27,599.16x = 596,569,524.66
  5. Step 5: Solve for x
    x = 596,569,524.66/27,599.16
  6. Step 6: Final answer
    x = 21,615.50

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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.