Home / 26,853.30-40,309.38-21,342.06

Finding the Fourth Proportional to 26,853.30, 40,309.38 and 21,342.06

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Solution

The fourth proportional to 26,853.30, 40,309.38 and 21,342.06 is: 32,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.30 : 40,309.38 = 21,342.06 : x
  2. Step 2: Convert to fraction form
    26,853.30/40,309.38 = 21,342.06/x
  3. Step 3: Cross multiply
    26,853.30x = 40,309.38 × 21,342.06
  4. Step 4: Simplify right side
    26,853.30x = 860,285,206.52
  5. Step 5: Solve for x
    x = 860,285,206.52/26,853.30
  6. Step 6: Final answer
    x = 32,036.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.