Home / 27,180.04-40,768.08-8,459.56

Finding the Fourth Proportional to 27,180.04, 40,768.08 and 8,459.56

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Solution

The fourth proportional to 27,180.04, 40,768.08 and 8,459.56 is: 12,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.04 : 40,768.08 = 8,459.56 : x
  2. Step 2: Convert to fraction form
    27,180.04/40,768.08 = 8,459.56/x
  3. Step 3: Cross multiply
    27,180.04x = 40,768.08 × 8,459.56
  4. Step 4: Simplify right side
    27,180.04x = 344,880,018.84
  5. Step 5: Solve for x
    x = 344,880,018.84/27,180.04
  6. Step 6: Final answer
    x = 12,688.72

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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.