Home / 19,456.32-26,840.40-18,701.88

Finding the Fourth Proportional to 19,456.32, 26,840.40 and 18,701.88

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Solution

The fourth proportional to 19,456.32, 26,840.40 and 18,701.88 is: 25,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.32 : 26,840.40 = 18,701.88 : x
  2. Step 2: Convert to fraction form
    19,456.32/26,840.40 = 18,701.88/x
  3. Step 3: Cross multiply
    19,456.32x = 26,840.40 × 18,701.88
  4. Step 4: Simplify right side
    19,456.32x = 501,965,939.95
  5. Step 5: Solve for x
    x = 501,965,939.95/19,456.32
  6. Step 6: Final answer
    x = 25,799.63

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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.