Home / 27,028.28-40,541.53-12,237.20

Finding the Fourth Proportional to 27,028.28, 40,541.53 and 12,237.20

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Solution

The fourth proportional to 27,028.28, 40,541.53 and 12,237.20 is: 18,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,028.28 : 40,541.53 = 12,237.20 : x
  2. Step 2: Convert to fraction form
    27,028.28/40,541.53 = 12,237.20/x
  3. Step 3: Cross multiply
    27,028.28x = 40,541.53 × 12,237.20
  4. Step 4: Simplify right side
    27,028.28x = 496,114,810.92
  5. Step 5: Solve for x
    x = 496,114,810.92/27,028.28
  6. Step 6: Final answer
    x = 18,355.40

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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.