Home / 42,874.08-64,317.60-15,169.92

Finding the Fourth Proportional to 42,874.08, 64,317.60 and 15,169.92

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Solution

The fourth proportional to 42,874.08, 64,317.60 and 15,169.92 is: 22,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,874.08 : 64,317.60 = 15,169.92 : x
  2. Step 2: Convert to fraction form
    42,874.08/64,317.60 = 15,169.92/x
  3. Step 3: Cross multiply
    42,874.08x = 64,317.60 × 15,169.92
  4. Step 4: Simplify right side
    42,874.08x = 975,692,846.59
  5. Step 5: Solve for x
    x = 975,692,846.59/42,874.08
  6. Step 6: Final answer
    x = 22,757.17

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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.