Home / 27,154.40-37,477.68-15,981.92

Finding the Fourth Proportional to 27,154.40, 37,477.68 and 15,981.92

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Solution

The fourth proportional to 27,154.40, 37,477.68 and 15,981.92 is: 22,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,154.40 : 37,477.68 = 15,981.92 : x
  2. Step 2: Convert to fraction form
    27,154.40/37,477.68 = 15,981.92/x
  3. Step 3: Cross multiply
    27,154.40x = 37,477.68 × 15,981.92
  4. Step 4: Simplify right side
    27,154.40x = 598,965,283.55
  5. Step 5: Solve for x
    x = 598,965,283.55/27,154.40
  6. Step 6: Final answer
    x = 22,057.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.