Home / 27,834.22-38,412.66-15,898.87

Finding the Fourth Proportional to 27,834.22, 38,412.66 and 15,898.87

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Solution

The fourth proportional to 27,834.22, 38,412.66 and 15,898.87 is: 21,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.22 : 38,412.66 = 15,898.87 : x
  2. Step 2: Convert to fraction form
    27,834.22/38,412.66 = 15,898.87/x
  3. Step 3: Cross multiply
    27,834.22x = 38,412.66 × 15,898.87
  4. Step 4: Simplify right side
    27,834.22x = 610,717,887.69
  5. Step 5: Solve for x
    x = 610,717,887.69/27,834.22
  6. Step 6: Final answer
    x = 21,941.26

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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.