Home / 26,680.42-36,816.57-15,346.90

Finding the Fourth Proportional to 26,680.42, 36,816.57 and 15,346.90

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Solution

The fourth proportional to 26,680.42, 36,816.57 and 15,346.90 is: 21,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,680.42 : 36,816.57 = 15,346.90 : x
  2. Step 2: Convert to fraction form
    26,680.42/36,816.57 = 15,346.90/x
  3. Step 3: Cross multiply
    26,680.42x = 36,816.57 × 15,346.90
  4. Step 4: Simplify right side
    26,680.42x = 565,020,218.13
  5. Step 5: Solve for x
    x = 565,020,218.13/26,680.42
  6. Step 6: Final answer
    x = 21,177.34

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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.