Home / 21,409.77-32,092.58-8,937.05

Finding the Fourth Proportional to 21,409.77, 32,092.58 and 8,937.05

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Solution

The fourth proportional to 21,409.77, 32,092.58 and 8,937.05 is: 13,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.77 : 32,092.58 = 8,937.05 : x
  2. Step 2: Convert to fraction form
    21,409.77/32,092.58 = 8,937.05/x
  3. Step 3: Cross multiply
    21,409.77x = 32,092.58 × 8,937.05
  4. Step 4: Simplify right side
    21,409.77x = 286,812,992.09
  5. Step 5: Solve for x
    x = 286,812,992.09/21,409.77
  6. Step 6: Final answer
    x = 13,396.36

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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.