Home / 26,639.46-39,945.29-7,916.92

Finding the Fourth Proportional to 26,639.46, 39,945.29 and 7,916.92

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Solution

The fourth proportional to 26,639.46, 39,945.29 and 7,916.92 is: 11,871.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.46 : 39,945.29 = 7,916.92 : x
  2. Step 2: Convert to fraction form
    26,639.46/39,945.29 = 7,916.92/x
  3. Step 3: Cross multiply
    26,639.46x = 39,945.29 × 7,916.92
  4. Step 4: Simplify right side
    26,639.46x = 316,243,525.86
  5. Step 5: Solve for x
    x = 316,243,525.86/26,639.46
  6. Step 6: Final answer
    x = 11,871.24

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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.