Home / 26,179.88-36,127.96-15,569.28

Finding the Fourth Proportional to 26,179.88, 36,127.96 and 15,569.28

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Solution

The fourth proportional to 26,179.88, 36,127.96 and 15,569.28 is: 21,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,179.88 : 36,127.96 = 15,569.28 : x
  2. Step 2: Convert to fraction form
    26,179.88/36,127.96 = 15,569.28/x
  3. Step 3: Cross multiply
    26,179.88x = 36,127.96 × 15,569.28
  4. Step 4: Simplify right side
    26,179.88x = 562,486,286.15
  5. Step 5: Solve for x
    x = 562,486,286.15/26,179.88
  6. Step 6: Final answer
    x = 21,485.45

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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.