Home / 26,180.88-36,129.34-15,570.28

Finding the Fourth Proportional to 26,180.88, 36,129.34 and 15,570.28

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Solution

The fourth proportional to 26,180.88, 36,129.34 and 15,570.28 is: 21,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,180.88 : 36,129.34 = 15,570.28 : x
  2. Step 2: Convert to fraction form
    26,180.88/36,129.34 = 15,570.28/x
  3. Step 3: Cross multiply
    26,180.88x = 36,129.34 × 15,570.28
  4. Step 4: Simplify right side
    26,180.88x = 562,543,940.02
  5. Step 5: Solve for x
    x = 562,543,940.02/26,180.88
  6. Step 6: Final answer
    x = 21,486.82

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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.