Home / 26,728.54-40,123.84-15,643.18

Finding the Fourth Proportional to 26,728.54, 40,123.84 and 15,643.18

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Solution

The fourth proportional to 26,728.54, 40,123.84 and 15,643.18 is: 23,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.54 : 40,123.84 = 15,643.18 : x
  2. Step 2: Convert to fraction form
    26,728.54/40,123.84 = 15,643.18/x
  3. Step 3: Cross multiply
    26,728.54x = 40,123.84 × 15,643.18
  4. Step 4: Simplify right side
    26,728.54x = 627,664,451.41
  5. Step 5: Solve for x
    x = 627,664,451.41/26,728.54
  6. Step 6: Final answer
    x = 23,482.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.