Home / 26,328.33-36,334.89-15,721.38

Finding the Fourth Proportional to 26,328.33, 36,334.89 and 15,721.38

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Solution

The fourth proportional to 26,328.33, 36,334.89 and 15,721.38 is: 21,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,328.33 : 36,334.89 = 15,721.38 : x
  2. Step 2: Convert to fraction form
    26,328.33/36,334.89 = 15,721.38/x
  3. Step 3: Cross multiply
    26,328.33x = 36,334.89 × 15,721.38
  4. Step 4: Simplify right side
    26,328.33x = 571,234,612.95
  5. Step 5: Solve for x
    x = 571,234,612.95/26,328.33
  6. Step 6: Final answer
    x = 21,696.58

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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.