Home / 26,552.49-36,638.14-15,219.90

Finding the Fourth Proportional to 26,552.49, 36,638.14 and 15,219.90

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Solution

The fourth proportional to 26,552.49, 36,638.14 and 15,219.90 is: 21,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,552.49 : 36,638.14 = 15,219.90 : x
  2. Step 2: Convert to fraction form
    26,552.49/36,638.14 = 15,219.90/x
  3. Step 3: Cross multiply
    26,552.49x = 36,638.14 × 15,219.90
  4. Step 4: Simplify right side
    26,552.49x = 557,628,757.23
  5. Step 5: Solve for x
    x = 557,628,757.23/26,552.49
  6. Step 6: Final answer
    x = 21,001.00

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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.