Home / 27,018.61-40,527.39-12,217.19

Finding the Fourth Proportional to 27,018.61, 40,527.39 and 12,217.19

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Solution

The fourth proportional to 27,018.61, 40,527.39 and 12,217.19 is: 18,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.61 : 40,527.39 = 12,217.19 : x
  2. Step 2: Convert to fraction form
    27,018.61/40,527.39 = 12,217.19/x
  3. Step 3: Cross multiply
    27,018.61x = 40,527.39 × 12,217.19
  4. Step 4: Simplify right side
    27,018.61x = 495,130,621.20
  5. Step 5: Solve for x
    x = 495,130,621.20/27,018.61
  6. Step 6: Final answer
    x = 18,325.54

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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.