Home / 26,631.55-39,949.71-7,656.29

Finding the Fourth Proportional to 26,631.55, 39,949.71 and 7,656.29

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Solution

The fourth proportional to 26,631.55, 39,949.71 and 7,656.29 is: 11,485.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.55 : 39,949.71 = 7,656.29 : x
  2. Step 2: Convert to fraction form
    26,631.55/39,949.71 = 7,656.29/x
  3. Step 3: Cross multiply
    26,631.55x = 39,949.71 × 7,656.29
  4. Step 4: Simplify right side
    26,631.55x = 305,866,486.53
  5. Step 5: Solve for x
    x = 305,866,486.53/26,631.55
  6. Step 6: Final answer
    x = 11,485.12

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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.