Home / 26,751.40-40,112.52-21,240.16

Finding the Fourth Proportional to 26,751.40, 40,112.52 and 21,240.16

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Solution

The fourth proportional to 26,751.40, 40,112.52 and 21,240.16 is: 31,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,751.40 : 40,112.52 = 21,240.16 : x
  2. Step 2: Convert to fraction form
    26,751.40/40,112.52 = 21,240.16/x
  3. Step 3: Cross multiply
    26,751.40x = 40,112.52 × 21,240.16
  4. Step 4: Simplify right side
    26,751.40x = 851,996,342.80
  5. Step 5: Solve for x
    x = 851,996,342.80/26,751.40
  6. Step 6: Final answer
    x = 31,848.66

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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.