Home / 27,635.67-38,137.32-15,702.98

Finding the Fourth Proportional to 27,635.67, 38,137.32 and 15,702.98

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Solution

The fourth proportional to 27,635.67, 38,137.32 and 15,702.98 is: 21,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,635.67 : 38,137.32 = 15,702.98 : x
  2. Step 2: Convert to fraction form
    27,635.67/38,137.32 = 15,702.98/x
  3. Step 3: Cross multiply
    27,635.67x = 38,137.32 × 15,702.98
  4. Step 4: Simplify right side
    27,635.67x = 598,869,382.53
  5. Step 5: Solve for x
    x = 598,869,382.53/27,635.67
  6. Step 6: Final answer
    x = 21,670.16

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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.