Home / 28,211.61-38,933.29-16,113.14

Finding the Fourth Proportional to 28,211.61, 38,933.29 and 16,113.14

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Solution

The fourth proportional to 28,211.61, 38,933.29 and 16,113.14 is: 22,236.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211.61 : 38,933.29 = 16,113.14 : x
  2. Step 2: Convert to fraction form
    28,211.61/38,933.29 = 16,113.14/x
  3. Step 3: Cross multiply
    28,211.61x = 38,933.29 × 16,113.14
  4. Step 4: Simplify right side
    28,211.61x = 627,337,652.27
  5. Step 5: Solve for x
    x = 627,337,652.27/28,211.61
  6. Step 6: Final answer
    x = 22,236.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.