Home / 26,220.66-39,343.68-13,074.90

Finding the Fourth Proportional to 26,220.66, 39,343.68 and 13,074.90

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Solution

The fourth proportional to 26,220.66, 39,343.68 and 13,074.90 is: 19,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.66 : 39,343.68 = 13,074.90 : x
  2. Step 2: Convert to fraction form
    26,220.66/39,343.68 = 13,074.90/x
  3. Step 3: Cross multiply
    26,220.66x = 39,343.68 × 13,074.90
  4. Step 4: Simplify right side
    26,220.66x = 514,414,681.63
  5. Step 5: Solve for x
    x = 514,414,681.63/26,220.66
  6. Step 6: Final answer
    x = 19,618.68

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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.