Home / 26,271.90-39,343.77-13,802.37

Finding the Fourth Proportional to 26,271.90, 39,343.77 and 13,802.37

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Solution

The fourth proportional to 26,271.90, 39,343.77 and 13,802.37 is: 20,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.90 : 39,343.77 = 13,802.37 : x
  2. Step 2: Convert to fraction form
    26,271.90/39,343.77 = 13,802.37/x
  3. Step 3: Cross multiply
    26,271.90x = 39,343.77 × 13,802.37
  4. Step 4: Simplify right side
    26,271.90x = 543,037,270.73
  5. Step 5: Solve for x
    x = 543,037,270.73/26,271.90
  6. Step 6: Final answer
    x = 20,669.89

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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.