Home / 42,867.29-64,282.91-16,208.80

Finding the Fourth Proportional to 42,867.29, 64,282.91 and 16,208.80

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Solution

The fourth proportional to 42,867.29, 64,282.91 and 16,208.80 is: 24,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,867.29 : 64,282.91 = 16,208.80 : x
  2. Step 2: Convert to fraction form
    42,867.29/64,282.91 = 16,208.80/x
  3. Step 3: Cross multiply
    42,867.29x = 64,282.91 × 16,208.80
  4. Step 4: Simplify right side
    42,867.29x = 1,041,948,589.86
  5. Step 5: Solve for x
    x = 1,041,948,589.86/42,867.29
  6. Step 6: Final answer
    x = 24,306.38

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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.