Home / 26,127.70-36,044.66-15,511.18

Finding the Fourth Proportional to 26,127.70, 36,044.66 and 15,511.18

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Solution

The fourth proportional to 26,127.70, 36,044.66 and 15,511.18 is: 21,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,127.70 : 36,044.66 = 15,511.18 : x
  2. Step 2: Convert to fraction form
    26,127.70/36,044.66 = 15,511.18/x
  3. Step 3: Cross multiply
    26,127.70x = 36,044.66 × 15,511.18
  4. Step 4: Simplify right side
    26,127.70x = 559,095,410.33
  5. Step 5: Solve for x
    x = 559,095,410.33/26,127.70
  6. Step 6: Final answer
    x = 21,398.57

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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.