Home / 28,370.37-42,565.14-12,573.24

Finding the Fourth Proportional to 28,370.37, 42,565.14 and 12,573.24

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Solution

The fourth proportional to 28,370.37, 42,565.14 and 12,573.24 is: 18,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370.37 : 42,565.14 = 12,573.24 : x
  2. Step 2: Convert to fraction form
    28,370.37/42,565.14 = 12,573.24/x
  3. Step 3: Cross multiply
    28,370.37x = 42,565.14 × 12,573.24
  4. Step 4: Simplify right side
    28,370.37x = 535,181,720.85
  5. Step 5: Solve for x
    x = 535,181,720.85/28,370.37
  6. Step 6: Final answer
    x = 18,864.11

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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.