Home / 20,302.44-28,017.98-11,350.32

Finding the Fourth Proportional to 20,302.44, 28,017.98 and 11,350.32

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Solution

The fourth proportional to 20,302.44, 28,017.98 and 11,350.32 is: 15,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.44 : 28,017.98 = 11,350.32 : x
  2. Step 2: Convert to fraction form
    20,302.44/28,017.98 = 11,350.32/x
  3. Step 3: Cross multiply
    20,302.44x = 28,017.98 × 11,350.32
  4. Step 4: Simplify right side
    20,302.44x = 318,013,038.75
  5. Step 5: Solve for x
    x = 318,013,038.75/20,302.44
  6. Step 6: Final answer
    x = 15,663.78

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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.