Home / 26,328.40-39,492.60-16,997.20

Finding the Fourth Proportional to 26,328.40, 39,492.60 and 16,997.20

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Solution

The fourth proportional to 26,328.40, 39,492.60 and 16,997.20 is: 25,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,328.40 : 39,492.60 = 16,997.20 : x
  2. Step 2: Convert to fraction form
    26,328.40/39,492.60 = 16,997.20/x
  3. Step 3: Cross multiply
    26,328.40x = 39,492.60 × 16,997.20
  4. Step 4: Simplify right side
    26,328.40x = 671,263,620.72
  5. Step 5: Solve for x
    x = 671,263,620.72/26,328.40
  6. Step 6: Final answer
    x = 25,495.80

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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.