Home / 26,368.40-39,530.92-12,321.48

Finding the Fourth Proportional to 26,368.40, 39,530.92 and 12,321.48

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Solution

The fourth proportional to 26,368.40, 39,530.92 and 12,321.48 is: 18,472.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,368.40 : 39,530.92 = 12,321.48 : x
  2. Step 2: Convert to fraction form
    26,368.40/39,530.92 = 12,321.48/x
  3. Step 3: Cross multiply
    26,368.40x = 39,530.92 × 12,321.48
  4. Step 4: Simplify right side
    26,368.40x = 487,079,440.16
  5. Step 5: Solve for x
    x = 487,079,440.16/26,368.40
  6. Step 6: Final answer
    x = 18,472.09

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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.