Home / 26,880.60-40,272.30-16,480.20

Finding the Fourth Proportional to 26,880.60, 40,272.30 and 16,480.20

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Solution

The fourth proportional to 26,880.60, 40,272.30 and 16,480.20 is: 24,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,880.60 : 40,272.30 = 16,480.20 : x
  2. Step 2: Convert to fraction form
    26,880.60/40,272.30 = 16,480.20/x
  3. Step 3: Cross multiply
    26,880.60x = 40,272.30 × 16,480.20
  4. Step 4: Simplify right side
    26,880.60x = 663,695,558.46
  5. Step 5: Solve for x
    x = 663,695,558.46/26,880.60
  6. Step 6: Final answer
    x = 24,690.50

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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.