Home / 27,994.87-38,615.56-16,656.70

Finding the Fourth Proportional to 27,994.87, 38,615.56 and 16,656.70

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Solution

The fourth proportional to 27,994.87, 38,615.56 and 16,656.70 is: 22,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.87 : 38,615.56 = 16,656.70 : x
  2. Step 2: Convert to fraction form
    27,994.87/38,615.56 = 16,656.70/x
  3. Step 3: Cross multiply
    27,994.87x = 38,615.56 × 16,656.70
  4. Step 4: Simplify right side
    27,994.87x = 643,207,798.25
  5. Step 5: Solve for x
    x = 643,207,798.25/27,994.87
  6. Step 6: Final answer
    x = 22,975.92

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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.