Home / 26,489.82-39,688.02-13,982.28

Finding the Fourth Proportional to 26,489.82, 39,688.02 and 13,982.28

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Solution

The fourth proportional to 26,489.82, 39,688.02 and 13,982.28 is: 20,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.82 : 39,688.02 = 13,982.28 : x
  2. Step 2: Convert to fraction form
    26,489.82/39,688.02 = 13,982.28/x
  3. Step 3: Cross multiply
    26,489.82x = 39,688.02 × 13,982.28
  4. Step 4: Simplify right side
    26,489.82x = 554,929,008.29
  5. Step 5: Solve for x
    x = 554,929,008.29/26,489.82
  6. Step 6: Final answer
    x = 20,948.76

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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.