Home / 21,374.24-32,053.14-8,900.15

Finding the Fourth Proportional to 21,374.24, 32,053.14 and 8,900.15

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Solution

The fourth proportional to 21,374.24, 32,053.14 and 8,900.15 is: 13,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.24 : 32,053.14 = 8,900.15 : x
  2. Step 2: Convert to fraction form
    21,374.24/32,053.14 = 8,900.15/x
  3. Step 3: Cross multiply
    21,374.24x = 32,053.14 × 8,900.15
  4. Step 4: Simplify right side
    21,374.24x = 285,277,593.71
  5. Step 5: Solve for x
    x = 285,277,593.71/21,374.24
  6. Step 6: Final answer
    x = 13,346.80

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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.