Home / 26,818.36-40,231.20-15,578.98

Finding the Fourth Proportional to 26,818.36, 40,231.20 and 15,578.98

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Solution

The fourth proportional to 26,818.36, 40,231.20 and 15,578.98 is: 23,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,818.36 : 40,231.20 = 15,578.98 : x
  2. Step 2: Convert to fraction form
    26,818.36/40,231.20 = 15,578.98/x
  3. Step 3: Cross multiply
    26,818.36x = 40,231.20 × 15,578.98
  4. Step 4: Simplify right side
    26,818.36x = 626,761,060.18
  5. Step 5: Solve for x
    x = 626,761,060.18/26,818.36
  6. Step 6: Final answer
    x = 23,370.60

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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.