Home / 21,492.64-32,228.61-16,800.76

Finding the Fourth Proportional to 21,492.64, 32,228.61 and 16,800.76

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Solution

The fourth proportional to 21,492.64, 32,228.61 and 16,800.76 is: 25,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492.64 : 32,228.61 = 16,800.76 : x
  2. Step 2: Convert to fraction form
    21,492.64/32,228.61 = 16,800.76/x
  3. Step 3: Cross multiply
    21,492.64x = 32,228.61 × 16,800.76
  4. Step 4: Simplify right side
    21,492.64x = 541,465,141.74
  5. Step 5: Solve for x
    x = 541,465,141.74/21,492.64
  6. Step 6: Final answer
    x = 25,193.05

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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.