Home / 26,513.76-36,583.92-18,127.20

Finding the Fourth Proportional to 26,513.76, 36,583.92 and 18,127.20

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Solution

The fourth proportional to 26,513.76, 36,583.92 and 18,127.20 is: 25,012.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,513.76 : 36,583.92 = 18,127.20 : x
  2. Step 2: Convert to fraction form
    26,513.76/36,583.92 = 18,127.20/x
  3. Step 3: Cross multiply
    26,513.76x = 36,583.92 × 18,127.20
  4. Step 4: Simplify right side
    26,513.76x = 663,164,034.62
  5. Step 5: Solve for x
    x = 663,164,034.62/26,513.76
  6. Step 6: Final answer
    x = 25,012.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.