Home / 26,663.68-39,951.64-9,123.92

Finding the Fourth Proportional to 26,663.68, 39,951.64 and 9,123.92

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Solution

The fourth proportional to 26,663.68, 39,951.64 and 9,123.92 is: 13,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.68 : 39,951.64 = 9,123.92 : x
  2. Step 2: Convert to fraction form
    26,663.68/39,951.64 = 9,123.92/x
  3. Step 3: Cross multiply
    26,663.68x = 39,951.64 × 9,123.92
  4. Step 4: Simplify right side
    26,663.68x = 364,515,567.23
  5. Step 5: Solve for x
    x = 364,515,567.23/26,663.68
  6. Step 6: Final answer
    x = 13,670.86

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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.