Home / 26,781.81-40,127.49-16,219.97

Finding the Fourth Proportional to 26,781.81, 40,127.49 and 16,219.97

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Solution

The fourth proportional to 26,781.81, 40,127.49 and 16,219.97 is: 24,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.81 : 40,127.49 = 16,219.97 : x
  2. Step 2: Convert to fraction form
    26,781.81/40,127.49 = 16,219.97/x
  3. Step 3: Cross multiply
    26,781.81x = 40,127.49 × 16,219.97
  4. Step 4: Simplify right side
    26,781.81x = 650,866,483.34
  5. Step 5: Solve for x
    x = 650,866,483.34/26,781.81
  6. Step 6: Final answer
    x = 24,302.56

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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.