Home / 28,147.86-42,241.01-15,009.45

Finding the Fourth Proportional to 28,147.86, 42,241.01 and 15,009.45

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Solution

The fourth proportional to 28,147.86, 42,241.01 and 15,009.45 is: 22,524.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147.86 : 42,241.01 = 15,009.45 : x
  2. Step 2: Convert to fraction form
    28,147.86/42,241.01 = 15,009.45/x
  3. Step 3: Cross multiply
    28,147.86x = 42,241.01 × 15,009.45
  4. Step 4: Simplify right side
    28,147.86x = 634,014,252.50
  5. Step 5: Solve for x
    x = 634,014,252.50/28,147.86
  6. Step 6: Final answer
    x = 22,524.42

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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.