Home / 18,323.86-27,439.27-15,354.50

Finding the Fourth Proportional to 18,323.86, 27,439.27 and 15,354.50

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Solution

The fourth proportional to 18,323.86, 27,439.27 and 15,354.50 is: 22,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.86 : 27,439.27 = 15,354.50 : x
  2. Step 2: Convert to fraction form
    18,323.86/27,439.27 = 15,354.50/x
  3. Step 3: Cross multiply
    18,323.86x = 27,439.27 × 15,354.50
  4. Step 4: Simplify right side
    18,323.86x = 421,316,134.02
  5. Step 5: Solve for x
    x = 421,316,134.02/18,323.86
  6. Step 6: Final answer
    x = 22,992.76

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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.