Home / 27,436.25-37,865.10-15,500.35

Finding the Fourth Proportional to 27,436.25, 37,865.10 and 15,500.35

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Solution

The fourth proportional to 27,436.25, 37,865.10 and 15,500.35 is: 21,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.25 : 37,865.10 = 15,500.35 : x
  2. Step 2: Convert to fraction form
    27,436.25/37,865.10 = 15,500.35/x
  3. Step 3: Cross multiply
    27,436.25x = 37,865.10 × 15,500.35
  4. Step 4: Simplify right side
    27,436.25x = 586,922,195.25
  5. Step 5: Solve for x
    x = 586,922,195.25/27,436.25
  6. Step 6: Final answer
    x = 21,392.21

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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.