Home / 27,834.72-38,411.62-15,259.40

Finding the Fourth Proportional to 27,834.72, 38,411.62 and 15,259.40

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Solution

The fourth proportional to 27,834.72, 38,411.62 and 15,259.40 is: 21,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.72 : 38,411.62 = 15,259.40 : x
  2. Step 2: Convert to fraction form
    27,834.72/38,411.62 = 15,259.40/x
  3. Step 3: Cross multiply
    27,834.72x = 38,411.62 × 15,259.40
  4. Step 4: Simplify right side
    27,834.72x = 586,138,274.23
  5. Step 5: Solve for x
    x = 586,138,274.23/27,834.72
  6. Step 6: Final answer
    x = 21,057.81

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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.