Home / 21,719.79-32,546.88-16,146.99

Finding the Fourth Proportional to 21,719.79, 32,546.88 and 16,146.99

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Solution

The fourth proportional to 21,719.79, 32,546.88 and 16,146.99 is: 24,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.79 : 32,546.88 = 16,146.99 : x
  2. Step 2: Convert to fraction form
    21,719.79/32,546.88 = 16,146.99/x
  3. Step 3: Cross multiply
    21,719.79x = 32,546.88 × 16,146.99
  4. Step 4: Simplify right side
    21,719.79x = 525,534,145.89
  5. Step 5: Solve for x
    x = 525,534,145.89/21,719.79
  6. Step 6: Final answer
    x = 24,196.10

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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.