Home / 23,424.31-35,080.16-13,398.66

Finding the Fourth Proportional to 23,424.31, 35,080.16 and 13,398.66

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Solution

The fourth proportional to 23,424.31, 35,080.16 and 13,398.66 is: 20,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,424.31 : 35,080.16 = 13,398.66 : x
  2. Step 2: Convert to fraction form
    23,424.31/35,080.16 = 13,398.66/x
  3. Step 3: Cross multiply
    23,424.31x = 35,080.16 × 13,398.66
  4. Step 4: Simplify right side
    23,424.31x = 470,027,136.59
  5. Step 5: Solve for x
    x = 470,027,136.59/23,424.31
  6. Step 6: Final answer
    x = 20,065.78

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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.