Home / 21,382.18-32,051.40-10,832.65

Finding the Fourth Proportional to 21,382.18, 32,051.40 and 10,832.65

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Solution

The fourth proportional to 21,382.18, 32,051.40 and 10,832.65 is: 16,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382.18 : 32,051.40 = 10,832.65 : x
  2. Step 2: Convert to fraction form
    21,382.18/32,051.40 = 10,832.65/x
  3. Step 3: Cross multiply
    21,382.18x = 32,051.40 × 10,832.65
  4. Step 4: Simplify right side
    21,382.18x = 347,201,598.21
  5. Step 5: Solve for x
    x = 347,201,598.21/21,382.18
  6. Step 6: Final answer
    x = 16,237.90

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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.