Home / 26,140.67-39,206.89-21,726.68

Finding the Fourth Proportional to 26,140.67, 39,206.89 and 21,726.68

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Solution

The fourth proportional to 26,140.67, 39,206.89 and 21,726.68 is: 32,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.67 : 39,206.89 = 21,726.68 : x
  2. Step 2: Convert to fraction form
    26,140.67/39,206.89 = 21,726.68/x
  3. Step 3: Cross multiply
    26,140.67x = 39,206.89 × 21,726.68
  4. Step 4: Simplify right side
    26,140.67x = 851,835,596.53
  5. Step 5: Solve for x
    x = 851,835,596.53/26,140.67
  6. Step 6: Final answer
    x = 32,586.60

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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.