Home / 26,492.20-39,738.30-16,638.40

Finding the Fourth Proportional to 26,492.20, 39,738.30 and 16,638.40

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Solution

The fourth proportional to 26,492.20, 39,738.30 and 16,638.40 is: 24,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,492.20 : 39,738.30 = 16,638.40 : x
  2. Step 2: Convert to fraction form
    26,492.20/39,738.30 = 16,638.40/x
  3. Step 3: Cross multiply
    26,492.20x = 39,738.30 × 16,638.40
  4. Step 4: Simplify right side
    26,492.20x = 661,181,730.72
  5. Step 5: Solve for x
    x = 661,181,730.72/26,492.20
  6. Step 6: Final answer
    x = 24,957.60

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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.