Home / 26,845.87-40,265.67-7,125.96

Finding the Fourth Proportional to 26,845.87, 40,265.67 and 7,125.96

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Solution

The fourth proportional to 26,845.87, 40,265.67 and 7,125.96 is: 10,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.87 : 40,265.67 = 7,125.96 : x
  2. Step 2: Convert to fraction form
    26,845.87/40,265.67 = 7,125.96/x
  3. Step 3: Cross multiply
    26,845.87x = 40,265.67 × 7,125.96
  4. Step 4: Simplify right side
    26,845.87x = 286,931,429.52
  5. Step 5: Solve for x
    x = 286,931,429.52/26,845.87
  6. Step 6: Final answer
    x = 10,688.10

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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.