Home / 18,525.60-27,788.40-16,994.70

Finding the Fourth Proportional to 18,525.60, 27,788.40 and 16,994.70

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Solution

The fourth proportional to 18,525.60, 27,788.40 and 16,994.70 is: 25,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.60 : 27,788.40 = 16,994.70 : x
  2. Step 2: Convert to fraction form
    18,525.60/27,788.40 = 16,994.70/x
  3. Step 3: Cross multiply
    18,525.60x = 27,788.40 × 16,994.70
  4. Step 4: Simplify right side
    18,525.60x = 472,255,521.48
  5. Step 5: Solve for x
    x = 472,255,521.48/18,525.60
  6. Step 6: Final answer
    x = 25,492.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.