Home / 26,492.56-39,701.58-20,921.38

Finding the Fourth Proportional to 26,492.56, 39,701.58 and 20,921.38

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Solution

The fourth proportional to 26,492.56, 39,701.58 and 20,921.38 is: 31,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,492.56 : 39,701.58 = 20,921.38 : x
  2. Step 2: Convert to fraction form
    26,492.56/39,701.58 = 20,921.38/x
  3. Step 3: Cross multiply
    26,492.56x = 39,701.58 × 20,921.38
  4. Step 4: Simplify right side
    26,492.56x = 830,611,841.78
  5. Step 5: Solve for x
    x = 830,611,841.78/26,492.56
  6. Step 6: Final answer
    x = 31,352.65

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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.