Home / 40,039.74-55,256.40-26,587.80

Finding the Fourth Proportional to 40,039.74, 55,256.40 and 26,587.80

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Solution

The fourth proportional to 40,039.74, 55,256.40 and 26,587.80 is: 36,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,039.74 : 55,256.40 = 26,587.80 : x
  2. Step 2: Convert to fraction form
    40,039.74/55,256.40 = 26,587.80/x
  3. Step 3: Cross multiply
    40,039.74x = 55,256.40 × 26,587.80
  4. Step 4: Simplify right side
    40,039.74x = 1,469,146,111.92
  5. Step 5: Solve for x
    x = 1,469,146,111.92/40,039.74
  6. Step 6: Final answer
    x = 36,692.20

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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.