Home / 21,492.30-32,238.45-16,826.70

Finding the Fourth Proportional to 21,492.30, 32,238.45 and 16,826.70

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Solution

The fourth proportional to 21,492.30, 32,238.45 and 16,826.70 is: 25,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492.30 : 32,238.45 = 16,826.70 : x
  2. Step 2: Convert to fraction form
    21,492.30/32,238.45 = 16,826.70/x
  3. Step 3: Cross multiply
    21,492.30x = 32,238.45 × 16,826.70
  4. Step 4: Simplify right side
    21,492.30x = 542,466,726.62
  5. Step 5: Solve for x
    x = 542,466,726.62/21,492.30
  6. Step 6: Final answer
    x = 25,240.05

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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.