Home / 26,837.40-40,217.70-18,619.80

Finding the Fourth Proportional to 26,837.40, 40,217.70 and 18,619.80

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Solution

The fourth proportional to 26,837.40, 40,217.70 and 18,619.80 is: 27,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,837.40 : 40,217.70 = 18,619.80 : x
  2. Step 2: Convert to fraction form
    26,837.40/40,217.70 = 18,619.80/x
  3. Step 3: Cross multiply
    26,837.40x = 40,217.70 × 18,619.80
  4. Step 4: Simplify right side
    26,837.40x = 748,845,530.46
  5. Step 5: Solve for x
    x = 748,845,530.46/26,837.40
  6. Step 6: Final answer
    x = 27,903.06

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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.