Home / 18,711.48-28,087.44-16,644.72

Finding the Fourth Proportional to 18,711.48, 28,087.44 and 16,644.72

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Solution

The fourth proportional to 18,711.48, 28,087.44 and 16,644.72 is: 24,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.48 : 28,087.44 = 16,644.72 : x
  2. Step 2: Convert to fraction form
    18,711.48/28,087.44 = 16,644.72/x
  3. Step 3: Cross multiply
    18,711.48x = 28,087.44 × 16,644.72
  4. Step 4: Simplify right side
    18,711.48x = 467,507,574.32
  5. Step 5: Solve for x
    x = 467,507,574.32/18,711.48
  6. Step 6: Final answer
    x = 24,985.07

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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.