Home / 19,702.93-27,200.06-15,216.61

Finding the Fourth Proportional to 19,702.93, 27,200.06 and 15,216.61

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Solution

The fourth proportional to 19,702.93, 27,200.06 and 15,216.61 is: 21,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.93 : 27,200.06 = 15,216.61 : x
  2. Step 2: Convert to fraction form
    19,702.93/27,200.06 = 15,216.61/x
  3. Step 3: Cross multiply
    19,702.93x = 27,200.06 × 15,216.61
  4. Step 4: Simplify right side
    19,702.93x = 413,892,705.00
  5. Step 5: Solve for x
    x = 413,892,705.00/19,702.93
  6. Step 6: Final answer
    x = 21,006.66

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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.