Home / 19,880.22-27,434.09-10,927.70

Finding the Fourth Proportional to 19,880.22, 27,434.09 and 10,927.70

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Solution

The fourth proportional to 19,880.22, 27,434.09 and 10,927.70 is: 15,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.22 : 27,434.09 = 10,927.70 : x
  2. Step 2: Convert to fraction form
    19,880.22/27,434.09 = 10,927.70/x
  3. Step 3: Cross multiply
    19,880.22x = 27,434.09 × 10,927.70
  4. Step 4: Simplify right side
    19,880.22x = 299,791,313.48
  5. Step 5: Solve for x
    x = 299,791,313.48/19,880.22
  6. Step 6: Final answer
    x = 15,079.88

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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.