Home / 26,228.23-39,349.65-11,438.45

Finding the Fourth Proportional to 26,228.23, 39,349.65 and 11,438.45

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Solution

The fourth proportional to 26,228.23, 39,349.65 and 11,438.45 is: 17,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.23 : 39,349.65 = 11,438.45 : x
  2. Step 2: Convert to fraction form
    26,228.23/39,349.65 = 11,438.45/x
  3. Step 3: Cross multiply
    26,228.23x = 39,349.65 × 11,438.45
  4. Step 4: Simplify right side
    26,228.23x = 450,098,946.85
  5. Step 5: Solve for x
    x = 450,098,946.85/26,228.23
  6. Step 6: Final answer
    x = 17,160.86

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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.