Home / 27,589.59-38,074.50-16,985.34

Finding the Fourth Proportional to 27,589.59, 38,074.50 and 16,985.34

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Solution

The fourth proportional to 27,589.59, 38,074.50 and 16,985.34 is: 23,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,589.59 : 38,074.50 = 16,985.34 : x
  2. Step 2: Convert to fraction form
    27,589.59/38,074.50 = 16,985.34/x
  3. Step 3: Cross multiply
    27,589.59x = 38,074.50 × 16,985.34
  4. Step 4: Simplify right side
    27,589.59x = 646,708,327.83
  5. Step 5: Solve for x
    x = 646,708,327.83/27,589.59
  6. Step 6: Final answer
    x = 23,440.30

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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.