Home / 26,422.20-36,435.42-18,461.52

Finding the Fourth Proportional to 26,422.20, 36,435.42 and 18,461.52

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Solution

The fourth proportional to 26,422.20, 36,435.42 and 18,461.52 is: 25,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.20 : 36,435.42 = 18,461.52 : x
  2. Step 2: Convert to fraction form
    26,422.20/36,435.42 = 18,461.52/x
  3. Step 3: Cross multiply
    26,422.20x = 36,435.42 × 18,461.52
  4. Step 4: Simplify right side
    26,422.20x = 672,653,235.04
  5. Step 5: Solve for x
    x = 672,653,235.04/26,422.20
  6. Step 6: Final answer
    x = 25,457.88

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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.