Home / 26,953.78-40,438.47-11,155.89

Finding the Fourth Proportional to 26,953.78, 40,438.47 and 11,155.89

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Solution

The fourth proportional to 26,953.78, 40,438.47 and 11,155.89 is: 16,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,953.78 : 40,438.47 = 11,155.89 : x
  2. Step 2: Convert to fraction form
    26,953.78/40,438.47 = 11,155.89/x
  3. Step 3: Cross multiply
    26,953.78x = 40,438.47 × 11,155.89
  4. Step 4: Simplify right side
    26,953.78x = 451,127,123.09
  5. Step 5: Solve for x
    x = 451,127,123.09/26,953.78
  6. Step 6: Final answer
    x = 16,737.06

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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.