Home / 27,722.17-38,256.51-15,146.92

Finding the Fourth Proportional to 27,722.17, 38,256.51 and 15,146.92

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Solution

The fourth proportional to 27,722.17, 38,256.51 and 15,146.92 is: 20,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,722.17 : 38,256.51 = 15,146.92 : x
  2. Step 2: Convert to fraction form
    27,722.17/38,256.51 = 15,146.92/x
  3. Step 3: Cross multiply
    27,722.17x = 38,256.51 × 15,146.92
  4. Step 4: Simplify right side
    27,722.17x = 579,468,296.45
  5. Step 5: Solve for x
    x = 579,468,296.45/27,722.17
  6. Step 6: Final answer
    x = 20,902.70

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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.