Home / 18,877.06-28,156.33-16,392.34

Finding the Fourth Proportional to 18,877.06, 28,156.33 and 16,392.34

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Solution

The fourth proportional to 18,877.06, 28,156.33 and 16,392.34 is: 24,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.06 : 28,156.33 = 16,392.34 : x
  2. Step 2: Convert to fraction form
    18,877.06/28,156.33 = 16,392.34/x
  3. Step 3: Cross multiply
    18,877.06x = 28,156.33 × 16,392.34
  4. Step 4: Simplify right side
    18,877.06x = 461,548,134.51
  5. Step 5: Solve for x
    x = 461,548,134.51/18,877.06
  6. Step 6: Final answer
    x = 24,450.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.