Home / 26,670.87-36,806.85-15,340.35

Finding the Fourth Proportional to 26,670.87, 36,806.85 and 15,340.35

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Solution

The fourth proportional to 26,670.87, 36,806.85 and 15,340.35 is: 21,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.87 : 36,806.85 = 15,340.35 : x
  2. Step 2: Convert to fraction form
    26,670.87/36,806.85 = 15,340.35/x
  3. Step 3: Cross multiply
    26,670.87x = 36,806.85 × 15,340.35
  4. Step 4: Simplify right side
    26,670.87x = 564,629,700.66
  5. Step 5: Solve for x
    x = 564,629,700.66/26,670.87
  6. Step 6: Final answer
    x = 21,170.28

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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.