Home / 21,887.01-32,840.77-10,787.65

Finding the Fourth Proportional to 21,887.01, 32,840.77 and 10,787.65

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Solution

The fourth proportional to 21,887.01, 32,840.77 and 10,787.65 is: 16,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887.01 : 32,840.77 = 10,787.65 : x
  2. Step 2: Convert to fraction form
    21,887.01/32,840.77 = 10,787.65/x
  3. Step 3: Cross multiply
    21,887.01x = 32,840.77 × 10,787.65
  4. Step 4: Simplify right side
    21,887.01x = 354,274,568.29
  5. Step 5: Solve for x
    x = 354,274,568.29/21,887.01
  6. Step 6: Final answer
    x = 16,186.52

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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.