Home / 27,124.88-40,709.39-13,981.01

Finding the Fourth Proportional to 27,124.88, 40,709.39 and 13,981.01

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Solution

The fourth proportional to 27,124.88, 40,709.39 and 13,981.01 is: 20,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,124.88 : 40,709.39 = 13,981.01 : x
  2. Step 2: Convert to fraction form
    27,124.88/40,709.39 = 13,981.01/x
  3. Step 3: Cross multiply
    27,124.88x = 40,709.39 × 13,981.01
  4. Step 4: Simplify right side
    27,124.88x = 569,158,115.23
  5. Step 5: Solve for x
    x = 569,158,115.23/27,124.88
  6. Step 6: Final answer
    x = 20,982.88

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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.