Home / 18,932.50-28,402.40-8,544.25

Finding the Fourth Proportional to 18,932.50, 28,402.40 and 8,544.25

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Solution

The fourth proportional to 18,932.50, 28,402.40 and 8,544.25 is: 12,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.50 : 28,402.40 = 8,544.25 : x
  2. Step 2: Convert to fraction form
    18,932.50/28,402.40 = 8,544.25/x
  3. Step 3: Cross multiply
    18,932.50x = 28,402.40 × 8,544.25
  4. Step 4: Simplify right side
    18,932.50x = 242,677,206.20
  5. Step 5: Solve for x
    x = 242,677,206.20/18,932.50
  6. Step 6: Final answer
    x = 12,818.02

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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.