Home / 27,125.47-40,709.04-12,137.23

Finding the Fourth Proportional to 27,125.47, 40,709.04 and 12,137.23

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Solution

The fourth proportional to 27,125.47, 40,709.04 and 12,137.23 is: 18,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.47 : 40,709.04 = 12,137.23 : x
  2. Step 2: Convert to fraction form
    27,125.47/40,709.04 = 12,137.23/x
  3. Step 3: Cross multiply
    27,125.47x = 40,709.04 × 12,137.23
  4. Step 4: Simplify right side
    27,125.47x = 494,094,981.56
  5. Step 5: Solve for x
    x = 494,094,981.56/27,125.47
  6. Step 6: Final answer
    x = 18,215.17

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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.