Home / 26,921.89-40,382.54-6,931.29

Finding the Fourth Proportional to 26,921.89, 40,382.54 and 6,931.29

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Solution

The fourth proportional to 26,921.89, 40,382.54 and 6,931.29 is: 10,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.89 : 40,382.54 = 6,931.29 : x
  2. Step 2: Convert to fraction form
    26,921.89/40,382.54 = 6,931.29/x
  3. Step 3: Cross multiply
    26,921.89x = 40,382.54 × 6,931.29
  4. Step 4: Simplify right side
    26,921.89x = 279,903,095.68
  5. Step 5: Solve for x
    x = 279,903,095.68/26,921.89
  6. Step 6: Final answer
    x = 10,396.86

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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.