Home / 18,528.95-27,793.36-14,318.31

Finding the Fourth Proportional to 18,528.95, 27,793.36 and 14,318.31

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Solution

The fourth proportional to 18,528.95, 27,793.36 and 14,318.31 is: 21,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.95 : 27,793.36 = 14,318.31 : x
  2. Step 2: Convert to fraction form
    18,528.95/27,793.36 = 14,318.31/x
  3. Step 3: Cross multiply
    18,528.95x = 27,793.36 × 14,318.31
  4. Step 4: Simplify right side
    18,528.95x = 397,953,908.63
  5. Step 5: Solve for x
    x = 397,953,908.63/18,528.95
  6. Step 6: Final answer
    x = 21,477.42

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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.