Home / 27,145.44-40,737.42-12,356.28

Finding the Fourth Proportional to 27,145.44, 40,737.42 and 12,356.28

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Solution

The fourth proportional to 27,145.44, 40,737.42 and 12,356.28 is: 18,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.44 : 40,737.42 = 12,356.28 : x
  2. Step 2: Convert to fraction form
    27,145.44/40,737.42 = 12,356.28/x
  3. Step 3: Cross multiply
    27,145.44x = 40,737.42 × 12,356.28
  4. Step 4: Simplify right side
    27,145.44x = 503,362,968.00
  5. Step 5: Solve for x
    x = 503,362,968.00/27,145.44
  6. Step 6: Final answer
    x = 18,543.19

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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.