Home / 28,909.65-43,317.90-16,392.45

Finding the Fourth Proportional to 28,909.65, 43,317.90 and 16,392.45

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Solution

The fourth proportional to 28,909.65, 43,317.90 and 16,392.45 is: 24,562.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909.65 : 43,317.90 = 16,392.45 : x
  2. Step 2: Convert to fraction form
    28,909.65/43,317.90 = 16,392.45/x
  3. Step 3: Cross multiply
    28,909.65x = 43,317.90 × 16,392.45
  4. Step 4: Simplify right side
    28,909.65x = 710,086,509.86
  5. Step 5: Solve for x
    x = 710,086,509.86/28,909.65
  6. Step 6: Final answer
    x = 24,562.27

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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.