Home / 21,661.30-32,491.37-16,406.28

Finding the Fourth Proportional to 21,661.30, 32,491.37 and 16,406.28

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Solution

The fourth proportional to 21,661.30, 32,491.37 and 16,406.28 is: 24,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,661.30 : 32,491.37 = 16,406.28 : x
  2. Step 2: Convert to fraction form
    21,661.30/32,491.37 = 16,406.28/x
  3. Step 3: Cross multiply
    21,661.30x = 32,491.37 × 16,406.28
  4. Step 4: Simplify right side
    21,661.30x = 533,062,461.01
  5. Step 5: Solve for x
    x = 533,062,461.01/21,661.30
  6. Step 6: Final answer
    x = 24,608.98

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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.