Home / 26,278.94-36,258.16-15,661.06

Finding the Fourth Proportional to 26,278.94, 36,258.16 and 15,661.06

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Solution

The fourth proportional to 26,278.94, 36,258.16 and 15,661.06 is: 21,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.94 : 36,258.16 = 15,661.06 : x
  2. Step 2: Convert to fraction form
    26,278.94/36,258.16 = 15,661.06/x
  3. Step 3: Cross multiply
    26,278.94x = 36,258.16 × 15,661.06
  4. Step 4: Simplify right side
    26,278.94x = 567,841,219.25
  5. Step 5: Solve for x
    x = 567,841,219.25/26,278.94
  6. Step 6: Final answer
    x = 21,608.22

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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.