Home / 28,369.40-39,150.06-17,765.24

Finding the Fourth Proportional to 28,369.40, 39,150.06 and 17,765.24

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Solution

The fourth proportional to 28,369.40, 39,150.06 and 17,765.24 is: 24,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369.40 : 39,150.06 = 17,765.24 : x
  2. Step 2: Convert to fraction form
    28,369.40/39,150.06 = 17,765.24/x
  3. Step 3: Cross multiply
    28,369.40x = 39,150.06 × 17,765.24
  4. Step 4: Simplify right side
    28,369.40x = 695,510,211.91
  5. Step 5: Solve for x
    x = 695,510,211.91/28,369.40
  6. Step 6: Final answer
    x = 24,516.21

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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.