Home / 27,429.77-37,837.29-16,520.32

Finding the Fourth Proportional to 27,429.77, 37,837.29 and 16,520.32

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Solution

The fourth proportional to 27,429.77, 37,837.29 and 16,520.32 is: 22,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,429.77 : 37,837.29 = 16,520.32 : x
  2. Step 2: Convert to fraction form
    27,429.77/37,837.29 = 16,520.32/x
  3. Step 3: Cross multiply
    27,429.77x = 37,837.29 × 16,520.32
  4. Step 4: Simplify right side
    27,429.77x = 625,084,247.98
  5. Step 5: Solve for x
    x = 625,084,247.98/27,429.77
  6. Step 6: Final answer
    x = 22,788.53

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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.