Home / 27,686.99-38,210.85-16,360.15

Finding the Fourth Proportional to 27,686.99, 38,210.85 and 16,360.15

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Solution

The fourth proportional to 27,686.99, 38,210.85 and 16,360.15 is: 22,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,686.99 : 38,210.85 = 16,360.15 : x
  2. Step 2: Convert to fraction form
    27,686.99/38,210.85 = 16,360.15/x
  3. Step 3: Cross multiply
    27,686.99x = 38,210.85 × 16,360.15
  4. Step 4: Simplify right side
    27,686.99x = 625,135,237.63
  5. Step 5: Solve for x
    x = 625,135,237.63/27,686.99
  6. Step 6: Final answer
    x = 22,578.66

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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.