Home / 26,554.04-36,640.28-15,221.45

Finding the Fourth Proportional to 26,554.04, 36,640.28 and 15,221.45

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Solution

The fourth proportional to 26,554.04, 36,640.28 and 15,221.45 is: 21,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,554.04 : 36,640.28 = 15,221.45 : x
  2. Step 2: Convert to fraction form
    26,554.04/36,640.28 = 15,221.45/x
  3. Step 3: Cross multiply
    26,554.04x = 36,640.28 × 15,221.45
  4. Step 4: Simplify right side
    26,554.04x = 557,718,190.01
  5. Step 5: Solve for x
    x = 557,718,190.01/26,554.04
  6. Step 6: Final answer
    x = 21,003.14

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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.