Home / 27,858.39-38,439.10-16,525.77

Finding the Fourth Proportional to 27,858.39, 38,439.10 and 16,525.77

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Solution

The fourth proportional to 27,858.39, 38,439.10 and 16,525.77 is: 22,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,858.39 : 38,439.10 = 16,525.77 : x
  2. Step 2: Convert to fraction form
    27,858.39/38,439.10 = 16,525.77/x
  3. Step 3: Cross multiply
    27,858.39x = 38,439.10 × 16,525.77
  4. Step 4: Simplify right side
    27,858.39x = 635,235,642.98
  5. Step 5: Solve for x
    x = 635,235,642.98/27,858.39
  6. Step 6: Final answer
    x = 22,802.31

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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.