Home / 27,455.50-37,875.90-16,121.35

Finding the Fourth Proportional to 27,455.50, 37,875.90 and 16,121.35

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Solution

The fourth proportional to 27,455.50, 37,875.90 and 16,121.35 is: 22,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.50 : 37,875.90 = 16,121.35 : x
  2. Step 2: Convert to fraction form
    27,455.50/37,875.90 = 16,121.35/x
  3. Step 3: Cross multiply
    27,455.50x = 37,875.90 × 16,121.35
  4. Step 4: Simplify right side
    27,455.50x = 610,610,640.47
  5. Step 5: Solve for x
    x = 610,610,640.47/27,455.50
  6. Step 6: Final answer
    x = 22,240.01

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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.